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Doubles in session


Current system
20413+1551
UC 4257


Nearby doubles
13' : 20406+1559
BPM2225

16' : 20406+1539
HDS2947

23' : 20415+1611
J 2319

25' : 20396+1555
BU 298AB
Sualocin

33' : 20391+1550
BU 288AB

33' : 20435+1540
GWP2990

35' : 20434+1604
HJ 1564

36' : 20393+1529
HEI 77

37' : 20436+1537
J 3108

41' : 20391+1526
BPM2219

41' : 20411+1631
FMR 161

49' : 20434+1512
UC 4270

50' : 20446+1605
BPM2245

50' : 20402+1503
UC 4251

54' : 20413+1458
NSN 4

54' : 20383+1623
BPM2216

56' : 20375+1557
BPM2214

56' : 20435+1504
CIA 11

56' : 20437+1635
BPM2237

62' : 20388+1500
BU 435

65' : 20448+1512
BPM2253

65' : 20446+1635
BPM2248AB

66' : 20457+1537
BPM2255

67' : 20374+1626
BPM2212

68' : 20444+1500
BPM2243

68' : 20366+1553
BPM2207



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.

20413+1551 UC 4257

 
 
20h 41m 18.32s +15° 50' 39.9" P.A. 208.00 sep 20.3 mag 15.90,16.30
 
 
Coord 2000 20413+1551 Discov num UC 4257 Comp Coord arcsec 2000 20 41 18.32 +15 50 39.9
Date first 1997 Date last 2015 Obs 4
Pa first 208 Pa last 208.4 P.A. Now (θ) 208.4°
Sep first 20.6 Sep last 20.34 Sep. Now (ρ) 20.34"
Mag pri 15.90 Mag sec 16.30 delta mag (ΔM) 0.4 Spectral class
Pri motion ra -070 Sec motion ra -080
Pri motion dec -029 Sec motion dec +006
Notes V (Proper motion indicates physical)
rPM=0.454
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1810654243723847808
 
 
WDS 20413+1551 UC 4257 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
UC USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) ...................
UC_2013a Eu j Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., 2013AJ....145...44Z
UC_2013a & Zacharias, M.I. (UCAC4 Catalog)
UC_2013a AJ 145, 44, 2013
UC_2013b Eu j Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D. 2013AJ....146...76H
UC_2013b AJ 146, 76, 2013 (UC 301 - 5058)
UC_2013b (Relative astrometry is derived from individual measurements, not precessed means.
UC_2013b UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended
UC_2013b image (a flag value of 30 or higher). Model fit magnitudes are given for both
UC_2013b components if either has such a flag. Model fit magnitudes are indicated by the
UC_2013b letter "f" following the filter information.
UC_2013b APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012.
UC_2013b Due to aperture method used, APASS photometry is only included for pairs wider
UC_2013b than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed
UC_2013b identical values for both components in all filters were removed, as well.
UC_2015 Eu - Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., 2015AJ....150..101Z
UC_2015 DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC_2015 Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.
UC_2015 AJ 150, 101, 2015
UC_9999 Eu - temporary UCAC files ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20413+1551 UC 4257 2000 2 209 20.4 15.90 16.30 V 204118.32+155039.9
20413+1551 UC 4257 2001 2 209 20.4 15.90 16.30 V 204118.32+155039.9
20413+1551 UC 4257 2010 3 208 21.0 15.90 16.30 V 204118.32+155039.9
20413+1551 UC 4257 2015 4 208 20.3 15.90 16.30 V 204118.32+155039.9

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

 
 
WDS 20413+1551 UC 4257 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20413+1551 UC 4257 : MEASURES
 
 
No records found.

 
 
WDS 20413+1551 : VIRTUAL EYEPIECE
 
 

20413+1551 UC 4257A mag 15.9 20413+1551 UC 4257B sep 20.2 P.A. 207.50 mag 16.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20413+1551 : ALADIN DSS IMAGE @ 20h 41m 18.32s +15° 50' 39.9"
 
 
 
 
WDS 20413+1551 UC 4257 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20413+1551 UC 4257 distance=0' 20406+1559 BPM2225 distance=13' 20406+1539 HDS2947 distance=16' 20415+1611 J 2319 distance=23' 20396+1555 WCK 2Aa,Ab (Sualocin) distance=25' 20396+1555 BU 298AB (Sualocin) distance=25' 20396+1555 HJ 1554AC (Sualocin) distance=25' 20396+1555 BU 298AD (Sualocin) distance=25' 20396+1555 BU 298AE (Sualocin) distance=25' 20396+1555 BU 298AF (Sualocin) distance=25' 20396+1555 CIA 23Ab1,2 distance=25' 20391+1550 BU 288AB distance=33' 20391+1550 BU 288AC distance=33' 20391+1550 BU 288AD distance=33' 20391+1550 BU 288AE distance=33' 20435+1540 GWP2990 distance=33' 20434+1604 HJ 1564 distance=35' 20393+1529 HEI 77 distance=36' 20436+1537 J 3108 distance=37' 20391+1526 BPM2219 distance=41' 20411+1631 FMR 161 distance=41' 20434+1512 UC 4270 distance=49' 20446+1605 BPM2245 distance=50' 20402+1503 UC 4251 distance=50' 20413+1458 NSN 4 distance=54' 20383+1623 BPM2216 distance=54' 20375+1557 BPM2214 distance=56' 20435+1504 CIA 11 distance=56' 20437+1635 BPM2237 distance=56' 20388+1500 BU 435 distance=62' 20448+1512 BPM2253 distance=65' 20446+1635 BPM2248AB distance=65' 20446+1635 BPM2249AC distance=65' 20457+1537 BPM2255 distance=66' 20446+1635 BPM2250BC distance=66' 20374+1626 BPM2212 distance=67' 20444+1500 BPM2243 distance=68' 20366+1553 BPM2207 distance=68' 20446+1642 BPM2246AB distance=70' 20446+1642 BPM2247AC distance=70' 20391+1448 LEP 95 distance=71' 20462+1554 WSI 110Aa,Ab distance=72' 20462+1554 STF2725AB distance=72' 20435+1657 STF2720 distance=73' 20427+1440 BPM2233 distance=74' 20462+1520 YR 27AB distance=77' 20466+1532 J 3110 distance=78' 20467+1607 STF2727AB distance=79' 20467+1607 FYM 18AD distance=79' 20463+1624 BPM2257 distance=80' 20468+1602 BPM2264 distance=80' 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 20413+1551 UC 4257 208 20.3
Show 20406+1559 BPM2225 57 22.7 13
Show 20406+1539 HDS2947 111 0.2 16
Show 20415+1611 J 2319 192 7.5 23
Show Sualocin 20396+1555 WCK 2 Aa,Ab 289 0.1 25
Show Sualocin 20396+1555 BU 298 AB 233 35.5 25
Show Sualocin 20396+1555 HJ 1554 AC 277 48.4 25
Show Sualocin 20396+1555 BU 298 AD 160 45.4 25
Show Sualocin 20396+1555 BU 298 AE 304 57.2 25
Show Sualocin 20396+1555 BU 298 AF 118 72.2 25
Show 20396+1555 CIA 23 Ab1,2 250 0.0 25
Show 20391+1550 BU 288 AB 154 5.2 33
Show 20391+1550 BU 288 AC 122 39.9 33
Show 20391+1550 BU 288 AD 146 28.8 33
Show 20391+1550 BU 288 AE 33 23.3 33
Show 20435+1540 GWP2990 291 26.5 33
Show 20434+1604 HJ 1564 41 11.4 35
Show 20393+1529 HEI 77 41 1.4 36
Show 20436+1537 J 3108 196 6.3 37
Show 20391+1526 BPM2219 170 85.3 41
Show 20411+1631 FMR 161 322 27.8 41
Show 20434+1512 UC 4270 2 52.2 49
Show 20446+1605 BPM2245 198 112.1 50
Show 20402+1503 UC 4251 291 52.0 50
Show 20413+1458 NSN 4 71 4.6 54
Show 20383+1623 BPM2216 177 102.9 54
Show 20375+1557 BPM2214 90 69.1 56
Show 20435+1504 CIA 11 334 0.0 56
Show 20437+1635 BPM2237 49 108.4 56
Show 20388+1500 BU 435 119 3.1 62
Show 20448+1512 BPM2253 241 75.8 65
Show 20446+1635 BPM2248 AB 95 107.8 65
Show 20446+1635 BPM2249 AC 29 107.0 65
Show 20457+1537 BPM2255 85 72.3 66
Show 20446+1635 BPM2250 BC 332 117.2 66
Show 20374+1626 BPM2212 324 100.7 67
Show 20444+1500 BPM2243 169 106.5 68
Show 20366+1553 BPM2207 49 43.4 68
Show 20446+1642 BPM2246 AB 16 90.0 70
Show 20446+1642 BPM2247 AC 173 116.0 70
Show 20391+1448 LEP 95 151 8.5 71
Show 20462+1554 WSI 110 Aa,Ab 343 0.0 72
Show 20462+1554 STF2725 AB 12 6.2 72
Show 20435+1657 STF2720 177 4.0 73
Show 20427+1440 BPM2233 190 72.4 74
Show 20462+1520 YR 27 AB 240 0.9 77
Show 20466+1532 J 3110 222 6.9 78
Show 20467+1607 STF2727 AB 266 8.8 79
Show 20467+1607 FYM 18 AD 323 109.4 79
Show 20463+1624 BPM2257 337 107.8 80
Show 20468+1602 BPM2264 222 107.2 80

 
 
WDS 20413+1551 : COMPONENTS
 
 
  A
B pa=207.5°
sep=20.17"
 
 
20413+1551 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204118.32+155039.9 Mag 15.9 PmRA -70.00
PmDE -29.0
 
 
20413+1551 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204117.68+155022.0 Mag 16.3 PmRA -80.00
PmDE 6.0 Calc delta mag 0.4 Calc coord yes