20405-0023 SKF 1768

 
 
20h 40m 31.40s -00° 22' 51.8" P.A. 18.00 sep 1.5 mag 19.80,21.30 Sp DA+M?
 
 
Coord 2000 20405-0023 Discov num SKF1768 Comp Coord arcsec 2000 20 40 31.40 -00 22 51.8
Date first 2001 Date last 2015 Obs 2
Pa first 41 Pa last 17.5 P.A. Now (θ) 17.5°
Sep first 1.8 Sep last 1.527 Sep. Now (ρ) 1.527"
Mag pri 19.80 Mag sec 21.30 delta mag (ΔM) 1.5 Spectral class DA+M? (white dwarf/red)
Pri motion ra +043 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius
 
 
WDS 20405-0023 SKF 1768 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Skf2000 Ma - Skiff, B.A. ...................
Skf2000 Webb Soc., Double Star Circ. 8, 2000 (may not be properly precessed)
Skf2002 C - Skiff, B.A. ...................
Skf2002 private communication, 2002
Skf2002 (measure based on 2MASS data, may not be properly precessed)
Skf2003 - Skiff, B.A. ...................
Skf2003 private communication, 2003 (may not be properly precessed)
Skf2004 - Skiff, B.A. ...................
Skf2004 private communication, 2004 (may not be properly precessed)
Skf2004 (coordinates and identifications for Stock & Wroblewski pairs)
Skf2005 C - Skiff, B.A. ...................
Skf2005 private communication, 2005 (may not be properly precessed)
Skf2006 - Skiff, B.A. ...................
Skf2006 private communication, 2006 (may not be properly precessed)
Skf2006b Pa - Skiff, B.A. ...................
Skf2006b private communication, 2006 (may not be properly precessed)
Skf2006b (data mining of Stephenson, C.B., AJ 91, 144, 1986) 1986AJ.....91..144S
Skf2006c Po - Skiff, B.A. ...................
Skf2006c private communication, 2006 (may not be properly precessed)
Skf2006c (data mining of Joy & Abt, ApJS 28, 1, 1974) 1974ApJS...28....1J
Skf2007 - Skiff, B.A. ...................
Skf2007 private communication, 2007 (may not be properly precessed)
Skf2009 E2 - Skiff, B.A. ...................
Skf2009 private communication, 2009 (may not be properly precessed)
Skf2010 C j Skiff, B.A. ...................
Skf2010 +E+ private communication, 2010 (may not be properly precessed)
Skf2010 +Pa
Skf2011 C j Skiff, B.A. ...................
Skf2011 +E+ private communication, 2011 (may not be properly precessed)
Skf2011 +H+
Skf2011 +M+
Skf2011 +P+
Skf2011 +T
Skf2011b Pa j Skiff, B.A. ...................
Skf2011b +E+ Webb Soc., Double Star Circ. 19, 2011 (may not be properly precessed)
Skf2012 A j Skiff, B.A. ...................
Skf2012 +C private communication, 2012 (may not be properly precessed)
Skf2012 +E+
Skf2012 +H+
Skf2012 +P+
Skf2012 +T+
Skf2012b C j Skiff, B.A. ...................
Skf2012b private communication, 2012 (may not be properly precessed)
Skf2012b (measure calculated from component coords in Alcock et al., ApJ 562, 337, 2001) 2001ApJ...562..337A
Skf2012c Ci - Skiff, B.A. ...................
Skf2012c private communication, 2012 (may not be properly precessed)
Skf2012c (measure calculated from component coords in FLX2006) 2006ApJ...639..816E
Skf2012d Pa j Skiff, B.A. ...................
Skf2012d private communication, 2012 (may not be properly precessed)
Skf2012d (measure calculated from component coords in Fresneau et al., A&A 469, 1221, 2007) 2007A&A...469.1221F
Skf2012e C j Skiff, B.A. ...................
Skf2012e private communication, 2012 (may not be properly precessed)
Skf2012e (measure calculated from component coords in Slesnick et al. 2002) 2002ApJ...576..880S
Skf2012f C j Skiff, B.A. ...................
Skf2012f +H private communication, 2012 (may not be properly precessed)
Skf2012f (measure calculated from component coords in Romano et al., A&A 488, 1221, 2008) 2008A&A...488.1221R
Skf2012g C - Skiff, B.A. ...................
Skf2012g private communication, 2012 (may not be properly precessed)
Skf2012g (measure calculated from component coords in Trullols et al. 1997) 1997A&A...324..549T
Skf2012h C - Skiff, B.A. ...................
Skf2012h private communication, 2012 (may not be properly precessed)
Skf2012h (measure calculated from component coords in Herbig, ApJ 497, 736, 1998) 1998ApJ...497..736H
Skf2012i H - Skiff, B.A. ...................
Skf2012i private communication, 2012 (may not be properly precessed)
Skf2012i (measure calculated from component coords in Najita et al. 2000) 2000ApJ...541..977N
Skf2012j C j Skiff, B.A. ...................
Skf2012j private communication, 2012 (may not be properly precessed)
Skf2012j (measure calculated from component coords in Luhman et al. 2003) 2003ApJ...593.1093L
Skf2012k C - Skiff, B.A. ...................
Skf2012k private communication, 2012 (may not be properly precessed)
Skf2012k (measure calculated from component coords in Cohen et al. 2004) 2004AJ....127.1602C
Skf2012l C - Skiff, B.A. ...................
Skf2012l private communication, 2012 (may not be properly precessed)
Skf2012l (measure calculated from component coords in Littlefair et al, MNRAS 358,341,2005) 2005MNRAS.358..341L
Skf2012m H - Skiff, B.A. ...................
Skf2012m private communication, 2012 (may not be properly precessed)
Skf2012m (measure calculated from component coords in Lada et al., AJ 131, 1574, 2006) 2006ApJ...131.1574L
Skf2012n C - Skiff, B.A. ...................
Skf2012n private communication, 2012 (may not be properly precessed)
Skf2012n (measure calculated from component coords in Mayne et al. 2007) 2007MNRAS.375.1220M
Skf2012o E - Skiff, B.A. ...................
Skf2012o +E2 private communication, 2012 (may not be properly precessed)
Skf2012o (measure calculated from component coords in Poleski et al. 2011) 2011AcA....61..199P
Skf2012q C j Skiff, B.A. ...................
Skf2012q +E+ Webb Soc., Double Star Circ. 20, 2012 (may not be properly precessed)
Skf2012q +H+
Skf2012q +Mr
Skf2012q +P+
Skf2012q +T
Skf2013 A j Skiff, B.A. ...................
Skf2013 +C private communication, 2013 (may not be properly precessed)
Skf2013 +E+
Skf2013 +H+
Skf2013 +Ma
Skf2013 +P+
Skf2013 +T
Skf2013b C j Skiff, B.A. ...................
Skf2013b +E+ Webb Soc., Double Star Circ. 21, 2013 (may not be properly precessed)
Skf2013b +H+
Skf2013b +P+
Skf2013b +T+
Skf2013c E - Skiff, B.A. ...................
Skf2013c +Pa private communication, 2013 (may not be properly precessed)
Skf2013c (measure calculated from component coords in Galadi-Enriquez et al. 1998) 1998A&AS..131..239G
Skf2014 C j Skiff, B.A. ...................
Skf2014 +E+ private communication, 2014 (may not be properly precessed)
Skf2014 +H+
Skf2014 +P+
Skf2014b C j Skiff, B.A. ...................
Skf2014b +E+ Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014b +H+
Skf2014b +M+
Skf2014b +P+
Skf2014b +T
Skf2014c E - Skiff, B.A. ...................
Skf2014c +Pa Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014c (measure calculated from component coords in Galadi-Enriquez et al. 1998) 1998A&AS..131..239G
Skf2014d Pa w Skiff, B.A. ...................
Skf2014d Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014d (measure calculated from component coords in Fresneau et al., A&A 469, 1221, 2007) 2007A&A...469.1221F
Skf2015 C j Skiff, B.A. ...................
Skf2015 +E+ private communication, 2015 (may not be properly precessed)
Skf2015 +H+
Skf2015 +P+
Skf2015 +T
Skf2015b C j Skiff, B.A. ...................
Skf2015b +E+ Webb Soc., Double Star Circ. 23, 40, 2015 (may not be properly precessed)
Skf2015b +Hw
Skf2015b +P+
Skf2015c C j Skiff, B.A. ...................
Skf2015c +E+ Webb Soc., Double Star Circ. 23, 49, 2015 (may not be properly precessed)
Skf2015c +H+
Skf2015c +P+
Skf2015c +T
Skf2015d C j Skiff, B.A. ...................
Skf2015d +E+ private communication, 2015 (list 38; may not be properly precessed)
Skf2015d +H+
Skf2015d +P+
Skf2015d +T
Skf2015e C j Skiff, B.A. ...................
Skf2015e +E+ private communication, 2015 (list 39; may not be properly precessed)
Skf2015e +H+
Skf2015e +P+
Skf2015e +T
Skf2016a C j Skiff, B.A. ...................
Skf2016a +E+ private communication, 2016 (list 40; may not be properly precessed)
Skf2016a +H+
Skf2016a +P+
Skf2016a +T
Skf2016b Pa j Skiff, B.A. (measure in Csr2016) ...................
Skf2016b +P Webb Soc., Double Star Circ. 24, 40, 2016
Skf2016b +E2
Skf2016b +Ht
Skf2016b +Eu
Skf2016b +C
Skf2016b +Hw
Skf2016b +Er
Skf2016c P+ j Skiff, B.A. ...................
Skf2016c +C Webb Soc., Double Star Circ. 24, 43, 2016
Skf2016c +E+
Skf2016c +H+
Skf2016c +P+
Skf2016c +T+
Skf2016d C j Skiff, B.A. ...................
Skf2016d +E+ private communication, 2016 (list 41; may not be properly precessed)
Skf2016d +H+
Skf2016d +P+
Skf2016d +T
Skf2016e C j Skiff, B.A. ...................
Skf2016e +E+ private communication, 2016 (14 June email; may not be properly precessed)
Skf2016f C - Skiff, B.A. ...................
Skf2016f +E+ private communication, 2016 (list 42; may not be properly precessed)
Skf2016f +H+
Skf2016f +P+
Skf2016f +T
Skf2016g C j Skiff, B.A. ...................
Skf2016g +E+ private communication, 2016 (list 43; may not be properly precessed)
Skf2016g +H+
Skf2016g +P+
Skf2016g +T
Skf2016h Hg - Skiff, B.A. ...................
Skf2016h private communication, 2016 (1 December email; may not be properly precessed)
Skf2016i Hg - Skiff, B.A. ...................
Skf2016i private communication, 2016 (20 December email; may not be properly precessed)
Skf2016j Hg - Skiff, B.A. ...................
Skf2016j private communication, 2016 (24 December email; may not be properly precessed)
Skf2017a C+ j Skiff, B.A. ...................
Skf2017a +H private communication, 2017 (13 January email; may not be properly precessed)
Skf2017b Hg - Skiff, B.A. ...................
Skf2017b private communication, 2017 (14 January email; may not be properly precessed)
Skf2017b
Skf2017c C+ j Skiff, B.A. ...................
Skf2017c +E+ private communication, 2017 (30 January email; may not be properly precessed)
Skf2017c +H+
Skf2017c +P
Skf2017d Hg - Skiff, B.A. ...................
Skf2017d private communication, 2017 (26 Febuary email; may not be properly precessed)
Skf2017e C+ j Skiff, B.A. ...................
Skf2017e +P private communication, 2017 (9 March email; may not be properly precessed)
Skf2017f E+ - Skiff, B.A. ...................
Skf2017f +H private communication, 2017 (24 May email; may not be properly precessed)
Skf2017g P+ u Skiff, B.A. ...................
Skf2017g +C+ Webb Soc., Double Star Circ. 25, 62, 2017
Skf2017g +E+
Skf2017g +H+
Skf2017g +T
Skf2017h Hg - Skiff, B.A. ...................
Skf2017h private communication, 2017 (24 June email; may not be properly precessed)
Skf2017i H+ w Skiff, B.A. ...................
Skf2017i +P+ private communication, 2017 (11 July email; may not be properly precessed)
Skf2017i +E+
Skf2017i +C
Skf2017j H+ w Skiff, B.A. ...................
Skf2017j +P+ private communication, 2017 (15 July emails; may not be properly precessed)
Skf2017j +E
Skf2017k C+ - Skiff, B.A. ...................
Skf2017k +E+ private communication, 2017 (17 July emails; may not be properly precessed)
Skf2017k +H
Skf2017l C+ - Skiff, B.A. ...................
Skf2017l +E+ private communication, 2017 (18 July emails; may not be properly precessed)
Skf2017l +H
Skf2017m P+ w Skiff, B.A. ...................
Skf2017m +E+ private communication, 2017 (20 July emails; may not be properly precessed)
Skf2017m +H+
Skf2017m +C
Skf2017n E+ - Skiff, B.A. ...................
Skf2017n +H private communication, 2017 (25 July emails; may not be properly precessed)
Skf2017o E+ w Skiff, B.A. ...................
Skf2017o +P+ private communication, 2017 (20 August emails; may not be properly precessed)
Skf2017o +C
Skf2017p E+ j Skiff, B.A. ...................
Skf2017p +P+ private communication, 2017 (2 October emails; may not be properly precessed)
Skf2017p +C+
Skf2017p +H
Skf2017q E+ w Skiff, B.A. ...................
Skf2017q +P+ private communication, 2017 (3 October emails; may not be properly precessed)
Skf2017q +H
Skf2018a E j Skiff, B.A. ...................
Skf2018a private communication, 2018 (18 January emails; may not be properly precessed)
Skf2018b E+ j Skiff, B.A. ...................
Skf2018b +C private communication, 2018 (10 February emails; may not be properly precessed)
Skf2018c E+ j Skiff, B.A. ...................
Skf2018c +C private communication, 2018 (16 February emails; may not be properly precessed)
Skf2018d E+ j Skiff, B.A. ...................
Skf2018d +C private communication, 2018 (6 March emails; may not be properly precessed)
Skf2018e E+ j Skiff, B.A. ...................
Skf2018e +not private communication, 2018 (15 March emails; may not be properly precessed)
Skf2018f not j Skiff, B.A. ...................
Skf2018f private communication, 2018 (9 March emails; may not be properly precessed)
Skf2018g Hg j Skiff, B.A. ...................
Skf2018g private communication, 2018 (20 March emails; may not be properly precessed)
Skf2018h H j Skiff, B.A. ...................
Skf2018h +E private communication, 2018 (6 April emails; may not be properly precessed)
Skf2018i H j Skiff, B.A. ...................
Skf2018i +P private communication, 2018 (19 October emails; may not be properly precessed)
Skf2018j H j Skiff, B.A. ...................
Skf2018j +P private communication, 2018 (24 November emails; may not be properly precessed)
Skf2018k H j Skiff, B.A. ...................
Skf2018k +P private communication, 2018 (19 December emails; may not be properly precessed)
Skf2019a H j Skiff, B.A. ...................
Skf2019a private communication, 2019 (16 July email; may not be properly precessed)
Skf2019b H j Skiff, B.A. ...................
Skf2019b private communication, 2019 (6 August email; may not be properly precessed)
Skf2019c j Skiff, B.A. ...................
Skf2019c private communication, 2019 (16 August email; may not be properly precessed)
Skf2019d H j Skiff, B.A. ...................
Skf2019d private communication, 2019 (11 September email; may not be properly precessed)
Skf2019e H+ j Skiff, B.A. ...................
Skf2019e +E private communication, 2019 (30 July email; may not be properly precessed)
Skf2019f C j Skiff, B.A. ...................
Skf2019f +E+ private communication, 2019 (list 44; may not be properly precessed)
Skf2019f +H+
Skf2019f +P+
Skf2019f +T
Skf2019g Z j Skiff, B.A. ...................
Skf2019g private communication, 2019 (8 October email)
Skf2020a C j Skiff, B.A. ...................
Skf2020a +E+ private communication, 2020 (9 March email; may not be properly precessed)
Skf2020a +H+
Skf2020a +P
Skf2020b C j Skiff, B.A. ...................
Skf2020b +E+ private communication, 2020 (list 45; may not be properly precessed)
Skf2020b +H+
Skf2020b +P+
Skf2020b +T
Skf2020c Hg j Skiff, B.A. ...................
Skf2020c private communication, 2020 (5 August email)
Skf2020d Hg+ j Skiff, B.A. ...................
Skf2020d +Ek private communication, 2020 (23 August email)
Skf2020e Hg j Skiff, B.A. ...................
Skf2020e private communication, 2020 (31 August email)
Skf2020f E Skiff, B.A. ...................
Skf2020f private communication, 2020 (22 November email)
Skf2021a Hg Skiff, B.A. ...................
Skf2021a private communication, 2021 (13 March email)
Skf2021b H+ Skiff, B.A. ...................
Skf2021b +E+ private communication, 2021 (15 November email)
Skf2021c Hg Skiff, B.A. ...................
Skf2021c private communication, 2021 (16 December email)
Skf2022a E Skiff, B.A. ...................
Skf2022a private communication, 2022 (12 September email)
Skf2022b Hg Skiff, B.A. ...................
Skf2022b private communication, 2022 (28 September email)
Skf2022c E Skiff, B.A. ...................
Skf2022c private communication, 2022 (17 October email)
Skf2022d E Skiff, B.A. ...................
Skf2022d private communication, 2022 (12 December email)
Skf2022e Hg Skiff, B.A. ...................
Skf2022e private communication, 2022 (19 December email)
Skf2023a Hg Skiff, B.A. ...................
Skf2023a private communication, 2023 (28 February email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20405-0023 SKF1768 2001 1 41 1.8 19.80 21.30 DA+M? 204031.40-002251.8
20405-0023 SKF1768 2015 2 18 1.5 19.80 21.30 DA+M? 204031.40-002251.8

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20405-0023 SKF 1768 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20405-0023 SKF 1768 : MEASURES
 
 
No records found.

 
 
WDS 20405-0023 : VIRTUAL EYEPIECE
 
 

20405-0023 SKF1768A mag 19.8 Sp DA 20405-0023 SKF1768B sep 1.5 P.A. 17.50 mag 21.3 Sp M? virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20405-0023 : ALADIN DSS IMAGE @ 20h 40m 31.40s -00° 22' 51.8"
 
 
 
 
WDS 20405-0023 SKF 1768 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20405-0023  SKF1768 distance=0' 20409-0036  A   874 distance=15' 20401-0009  GRV1232 distance=15' 20396+0025  UC 4246 distance=15' 20416+0017  UC 4258AB distance=18' 20394+0029  FYM 187CD distance=18' 20394+0029  HJ 2984AB distance=18' 20394+0029  HJ 2984AC distance=18' 20394+0029  FYM 187AE distance=18' 20403+0041  A  2284 distance=19' 20406-0002  SLW1226 distance=21' 20420+0021  UC 4262 distance=23' 20390-0035  BVD 131 distance=26' 20384+0000  J  2318AB distance=39' 20384+0000  J  2318AC distance=39' 20414+0105  GWP2985 distance=45' 20434-0012  J  3346 distance=46' 20435+0011  GRV1233 distance=47' 20425+0100  TDT2487 distance=48' 20373-0039  J  2317 distance=50' 20373+0041  UC 4236 distance=52' 20393+0112  BAL1217 distance=53' 20433+0059  SLN  39 distance=56' 20400+0118  A  2283AB distance=56' 20441+0044  BAL1218 distance=58' 20445+0029  BAL1219 distance=61' 20440+0049  HJ  923 distance=64' 20409+0128  BAL1568 distance=66' 20389+0128  KPP3420 distance=70' 20454+0023  A   876 distance=74' 20352+0019  RST5157 distance=81' 20350+0033  J  1399 distance=85' 20354-0057  BAL 614 distance=85' 20414+0147  BAL1570 distance=86' 20373+0134  GWP2973 distance=87' 20372+0135  J  2574 distance=88' 20412-0105  STF2706AB distance=89' 20412-0105  STF2706AC distance=89' 20367+0132  GRV 361 distance=91' 20344-0029  STF2697 distance=93' 20418+0156  GWP2986 distance=95' 20383-0106  BU  672 distance=96' 20387+0156  J   569 distance=98' 20342-0045  BAL 613 distance=99' 20472+0021  CBL 529 distance=101' 20377+0152  J  3255 distance=102' 20388+0202  HJ  920 distance=103' 20472-0006  BAL 924 distance=103' 20368-0102  J   567 distance=104' 20478+0007  SKF2612 distance=110' 20434+0204  GWP2989 distance=110' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20405-0023 SKF1768 18 1.5
Show 20409-0036 A 874 345 1.9 15
Show 20401-0009 GRV1232 144 24.2 15
Show 20396+0025 UC 4246 52 20.8 15
Show 20416+0017 UC 4258 AB 3 46.5 18
Show 20394+0029 FYM 187 CD 122 20.2 18
Show 20394+0029 HJ 2984 AB 225 65.0 18
Show 20394+0029 HJ 2984 AC 30 65.9 18
Show 20394+0029 FYM 187 AE 118 35.2 18
Show 20403+0041 A 2284 287 4.8 19
Show 20406-0002 SLW1226 226 166.7 21
Show 20420+0021 UC 4262 221 44.1 23
Show 20390-0035 BVD 131 133 30.3 26
Show 20384+0000 J 2318 AB 150 5.6 39
Show 20384+0000 J 2318 AC 119 14.9 39
Show 20414+0105 GWP2985 352 30.4 45
Show 20434-0012 J 3346 106 1.8 46
Show 20435+0011 GRV1233 104 10.5 47
Show 20425+0100 TDT2487 302 1.1 48
Show 20373-0039 J 2317 120 6.1 50
Show 20373+0041 UC 4236 284 17.8 52
Show 20393+0112 BAL1217 2 7.9 53
Show 20433+0059 SLN 39 233 19.0 56
Show 20400+0118 A 2283 AB 350 2.3 56
Show 20441+0044 BAL1218 229 3.4 58
Show 20445+0029 BAL1219 214 17.3 61
Show 20440+0049 HJ 923 62 7.0 64
Show 20409+0128 BAL1568 346 8.8 66
Show 20389+0128 KPP3420 241 6.3 70
Show 20454+0023 A 876 68 0.6 74
Show 20352+0019 RST5157 293 1.8 81
Show 20350+0033 J 1399 276 2.2 85
Show 20354-0057 BAL 614 80 18.2 85
Show 20414+0147 BAL1570 12 5.1 86
Show 20373+0134 GWP2973 106 21.3 87
Show 20372+0135 J 2574 158 5.0 88
Show 20412-0105 STF2706 AB 37 11.1 89
Show 20412-0105 STF2706 AC 318 189.6 89
Show 20367+0132 GRV 361 103 28.0 91
Show 20344-0029 STF2697 358 29.8 93
Show 20418+0156 GWP2986 350 16.1 95
Show 20383-0106 BU 672 285 35.8 96
Show 20387+0156 J 569 316 3.0 98
Show 20342-0045 BAL 613 145 6.4 99
Show 20472+0021 CBL 529 43 49.8 101
Show 20377+0152 J 3255 327 3.7 102
Show 20388+0202 HJ 920 213 14.1 103
Show 20472-0006 BAL 924 128 15.4 103
Show 20368-0102 J 567 308 2.2 104
Show 20478+0007 SKF2612 63 1.0 110
Show 20434+0204 GWP2989 131 44.7 110

 
 
WDS 20405-0023 : COMPONENTS
 
 
  A
B pa=17.5°
sep=1.53"
 
 
20405-0023 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204031.40-002251.8 Mag 19.8 Spectral class DA (white dwarf)
PmRA 43.00 PmDE -3.0
 
 
20405-0023 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204031.43+002253.3 Mag 21.3 Spectral class M? (red)
Calc delta mag 1.5 Calc coord yes