stampa
Login

Never registered to Stelle Doppie? It's like a Ferrari without wheels. Register now to releveal the full potential!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20307+2826
GRV 347


Nearby doubles
17' : 20297+2837
MLB1088

30' : 20312+2855
ES 506

34' : 20333+2824
NSN 734

35' : 20290+2852
TDT2317

37' : 20281+2819
MLB 662

40' : 20331+2852
ES 507AB

41' : 20284+2800
TDT2311

45' : 20338+2808
STF2698

45' : 20327+2903
ARY 47AB

46' : 20273+2820
MLB 774AB

47' : 20341+2814
L 48AB

48' : 20282+2901
ES 504AB

49' : 20276+2803
AG 405

53' : 20320+2915
GRV 349

55' : 20266+2831
TDT2276

55' : 20349+2833
MLB 708

58' : 20268+2804
A 393

58' : 20264+2832
TDT2269

58' : 20288+2735
TDS1076

60' : 20292+2731
HJ 1519

61' : 20324+2731
FOX 93

61' : 20270+2902
TDT2283

61' : 20294+2729
KPP1957

62' : 20280+2739
BRT 48

63' : 20266+2858
TDT2275

63' : 20287+2924
MLB 532



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20307+2826 GRV 347

 
 
20h 30m 44.21s +28° 26' 47.5" P.A. 8.00 sep 22.4 mag 11.60,12.80
 
 
Coord 2000 20307+2826 Discov num GRV 347 Comp Coord arcsec 2000 20 30 44.21 +28 26 47.5
Date first 1999 Date last 2016 Obs 9
Pa first 8 Pa last 7.8 P.A. Now (θ) 7.8°
Sep first 22.4 Sep last 22.441 Sep. Now (ρ) 22.441"
Mag pri 11.60 Mag sec 12.80 delta mag (ΔM) 1.2 Spectral class
Pri motion ra -020 Sec motion ra -019
Pri motion dec -024 Sec motion dec -025
Notes V (Proper motion indicates physical)
rPM=0.045 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2169-00937-1 Gaia DR2 1860166003938326656
 
 
WDS 20307+2826 GRV 347 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20307+2826 GRV 347 2000 2 8 22.5 11.60 12.80 D 203044.21+282647.5
20307+2826 GRV 347 2002 3 8 22.4 11.60 12.80 D 203044.21+282647.5
20307+2826 GRV 347 2010 3 8 22.4 11.60 12.80 203044.21+282647.5
20307+2826 GRV 347 2015 4 8 22.4 11.60 12.80 V 203044.21+282647.5
20307+2826 GRV 347 2016 9 8 22.4 11.60 12.80 V 203044.21+282647.5

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

 
 
WDS 20307+2826 GRV 347 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20307+2826 GRV 347 : MEASURES
 
 
No records found.

 
 
WDS 20307+2826 : VIRTUAL EYEPIECE
 
 

20307+2826 GRV 347A mag 11.6 20307+2826 GRV 347B sep 22.4 P.A. 6.90 mag 12.8 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 20307+2826 : ALADIN DSS IMAGE @ 20h 30m 44.21s +28° 26' 47.5"
 
 
 
 
WDS 20307+2826 GRV 347 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20307+2826 GRV 347 distance=0' 20297+2837 MLB1088 distance=17' 20312+2855 ES 506 distance=30' 20333+2824 NSN 734 distance=34' 20290+2852 TDT2317 distance=35' 20281+2819 MLB 662 distance=37' 20331+2852 ES 507DS distance=39' 20331+2852 ES 507AB distance=40' 20331+2852 ES 507AC distance=40' 20331+2852 ES 507AD distance=40' 20331+2852 FYM 137AE distance=40' 20331+2852 FYM 137AF distance=40' 20331+2852 FYM 137AG distance=40' 20284+2800 TDT2311 distance=41' 20338+2808 STF2698 distance=45' 20327+2903 ARY 47AB distance=45' 20273+2820 MLB 774BC distance=46' 20327+2903 ARY 27BC distance=46' 20327+2903 ARY 27BD distance=46' 20273+2820 MLB 774AB distance=46' 20341+2814 L 48AB distance=47' 20341+2814 L 48AC distance=47' 20282+2901 TDT2308Aa,Ab distance=48' 20282+2901 ES 504AB distance=48' 20276+2803 AG 405 distance=49' 20320+2915 GRV 349 distance=53' 20266+2831 TDT2276 distance=55' 20349+2833 MLB 708 distance=55' 20268+2804 A 393 distance=58' 20264+2832 TDT2269 distance=58' 20288+2735 TDS1076 distance=58' 20292+2731 HJ 1519 distance=60' 20324+2731 FOX 93 distance=61' 20270+2902 TDT2283 distance=61' 20294+2729 KPP1957 distance=61' 20280+2739 BRT 48 distance=62' 20266+2858 TDT2275 distance=63' 20287+2924 MLB 532 distance=63' 20349+2757 GRV 358 distance=64' 20316+2929 MLB 571 distance=64' 20350+2754 FOX 95 distance=65' 20284+2728 COU 725 distance=67' 20275+2735 BVD 164 distance=68' 20333+2727 HDS2935 distance=69' 20346+2914 TDT2388Aa,Ab distance=70' 20346+2914 J 565AB distance=70' 20346+2914 J 565AC distance=70' 20339+2923 MLB 481 distance=72' 20325+2934 TDT2347 distance=72' 20357+2754 HJ 1544 distance=74' 20328+2936 TDT2357 distance=75' 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 20307+2826 GRV 347 8 22.4
Show 20297+2837 MLB1088 334 9.5 17
Show 20312+2855 ES 506 304 5.9 30
Show 20333+2824 NSN 734 94 10.0 34
Show 20290+2852 TDT2317 323 0.5 35
Show 20281+2819 MLB 662 42 3.4 37
Show 20331+2852 ES 507 DS 146 16.0 39
Show 20331+2852 ES 507 AB 295 7.1 40
Show 20331+2852 ES 507 AC 346 36.4 40
Show 20331+2852 ES 507 AD 224 36.8 40
Show 20331+2852 FYM 137 AE 101 42.6 40
Show 20331+2852 FYM 137 AF 176 23.3 40
Show 20331+2852 FYM 137 AG 299 32.9 40
Show 20284+2800 TDT2311 97 1.5 41
Show 20338+2808 STF2698 305 4.5 45
Show 20327+2903 ARY 47 AB 108 128.1 45
Show 20273+2820 MLB 774 BC 279 4.3 46
Show 20327+2903 ARY 27 BC 50 35.3 46
Show 20327+2903 ARY 27 BD 178 90.0 46
Show 20273+2820 MLB 774 AB 63 44.1 46
Show 20341+2814 L 48 AB 102 4.0 47
Show 20341+2814 L 48 AC 192 8.7 47
Show 20282+2901 TDT2308 Aa,Ab 343 0.6 48
Show 20282+2901 ES 504 AB 87 5.9 48
Show 20276+2803 AG 405 70 23.3 49
Show 20320+2915 GRV 349 42 33.2 53
Show 20266+2831 TDT2276 316 0.7 55
Show 20349+2833 MLB 708 306 3.9 55
Show 20268+2804 A 393 217 0.5 58
Show 20264+2832 TDT2269 332 0.4 58
Show 20288+2735 TDS1076 293 1.0 58
Show 20292+2731 HJ 1519 234 15.6 60
Show 20324+2731 FOX 93 184 1.4 61
Show 20270+2902 TDT2283 355 0.4 61
Show 20294+2729 KPP1957 36 15.5 61
Show 20280+2739 BRT 48 265 4.2 62
Show 20266+2858 TDT2275 87 0.4 63
Show 20287+2924 MLB 532 351 8.9 63
Show 20349+2757 GRV 358 72 17.8 64
Show 20316+2929 MLB 571 261 3.4 64
Show 20350+2754 FOX 95 195 4.1 65
Show 20284+2728 COU 725 59 0.5 67
Show 20275+2735 BVD 164 350 2.9 68
Show 20333+2727 HDS2935 113 0.5 69
Show 20346+2914 TDT2388 Aa,Ab 297 0.5 70
Show 20346+2914 J 565 AB 48 6.5 70
Show 20346+2914 J 565 AC 88 16.2 70
Show 20339+2923 MLB 481 345 4.0 72
Show 20325+2934 TDT2347 309 0.4 72
Show 20357+2754 HJ 1544 226 8.7 74
Show 20328+2936 TDT2357 29 0.5 75

 
 
WDS 20307+2826 : COMPONENTS
 
 
  A
B pa=6.9°
sep=22.39"
 
 
20307+2826 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203044.21+282647.5 Mag 11.6 PmRA -20.00
PmDE -24.0 Tycho2 2169-00937-1
Tycho2
Tycho2 2169-00937-1 Pflag RAmdeg 307.68424986 DEmdeg 28.44654768
PmRA -19.4 PmDE -26.6 E RAmdeg 83 E DEmdeg 78
E pmRA 3.6 E pmDE 3.5 EpRAm 1985.90 EpDEm 1986.25
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 13.469 E BTmag 0.330 VTmag 11.599
E VTmag 0.108 Prox 961 TYC HIP
CCDM RAdeg 307.68430056 DEdeg 28.44660944 EpRA 1990 1.72
EpDE 1990 1.62 E RAdeg 86.1 E DEdeg 80.2 Posflg
Corr 0.1
 
 
20307+2826 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203044.41+282709.7 Mag 12.8 PmRA -19.00
PmDE -25.0 Calc delta mag 1.2 Calc coord yes