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Doubles in session


Current system
12501+5506
GJ 3753 AB


Nearby doubles
15' : 12484+5509
NSN 634

26' : 12478+5522
TDS8526

36' : 12541+5500
LDS3067

42' : 12538+5440
STI2291

61' : 12561+5540
LDS3068

62' : 12540+5558
BLM 2
Alioth

74' : 12519+5354
CVR1474

75' : 12426+5545
LDS3058

81' : 12417+5543
SHY 64AB

81' : 12556+5613
DAM 711AB

81' : 12563+5406
STF1695AB

83' : 12591+5441
LDS3069

85' : 12402+5503
STI2290AB

87' : 12421+5415
LDS3056AB

88' : 12409+5545
SLW 756

92' : 12395+5516
BOY 6

95' : 12487+5640
TDS8534

95' : 12439+5349
ES 729

99' : 13008+5545
STI2293

100' : 12574+5351
WIS 211

108' : 12483+5653
LDS2660

116' : 12406+5629
MLB 169

118' : 13007+5622
BU 1082

122' : 12418+5645
BWL 33AB

129' : 12556+5706
MLR 553

133' : 12560+5305
TDS8595



Selections
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12501+5506 GJ 3753 AB

 
 
12h 50m 04.42s +55° 06' 02.1" P.A. 307.00 sep 2.6 mag 12.30,12.80 Sp DA3
 
 
Coord 2000 12501+5506 Discov num GJ 3753 Comp AB Coord arcsec 2000 12 50 04.42 +55 06 02.1
Date first 1988 Date last 2016 Obs 9
Pa first 308 Pa last 306.7 P.A. Now (θ) 306.7°
Sep first 2.6 Sep last 2.607 Sep. Now (ρ) 2.607"
Mag pri 12.30 Mag sec 12.80 delta mag (ΔM) 0.5 Spectral class DA3 (white dwarf)
Pri motion ra -077 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N V U (See Notes, Proper motion indicates physical, Proper motion indicates non-physical)
This double is not physical.
 
 
12501+5506 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 50 04 +55 06 02 GJ 3753 AB 2016 9 307 2.6 12.30 12.80 0.50 <===
Show 12 50 04 +55 06 02 FAR 14 AC 2012 2 109 123.1 12.30 19.40 7.10
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major Tycho2 3845-00640-1 Gaia DR2 1570548009752602240
 
 
WDS 12501+5506 GJ 3753 AB : NOTES
 
 
discov_num notes refcode
GJ 3753 GD 319. Infra-red excess indicates a red companion. Probst notes a Prb1983
private communication by Downes & Margon reporting a close companion,
type dK, probably optical. McAlister et al. examined the relative
proper motions and concurred that the pair is optical. McA1996b
Magnitude difference is based on images from 1988.1736 and 1993.2054.
FAR 14 AC: Primary is white dwarf WD 1247+553. Far2005b
 
 
REFERENCES
 
 
refcode metd author reference
Far2005b C+ - Farihi, J., Becklin, E.E., & Zuckerman, B. 2005ApJS..161..394F
Far2005b +E2 ApJS 161, 394, 2005
McA1996b Sc j McAlister, H.A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr., & Shara, M.M. 1996AJ....112.1169M
McA1996b +Po AJ 112, 1169, 1996
Prb1983 Ci - Probst, R.G. 1983ApJS...53..335P
Prb1983 ApJS 53, 335, 1983
Prb1983 (JHK photometry of WDs, list of possible CPM pairs with coarse astrometry)
 
 
DISCOVERER
 
 
idgroup discov author
1 GJ Gliese, W. & Jahreiss, H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12501+5506 GJ 3753 AB 2008 6 127 2.7 12.70 13.72 DA3 N 125004.53+550601.8
12501+5506 GJ 3753 AB 2012 7 127 2.3 12.70 13.72 DA3 NU 125004.53+550601.8
12501+5506 GJ 3753 AB 2015 7 127 2.6 12.30 12.80 DA3 NU 125004.42+550602.1
12501+5506 GJ 3753 AB 2016 9 307 2.6 12.30 12.80 DA3 NV U 125004.42+550602.1

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

 
 
WDS 12501+5506 GJ 3753 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12501+5506 GJ 3753 AB : MEASURES
 
 
No records found.

 
 
WDS 12501+5506 : VIRTUAL EYEPIECE
 
 

12501+5506 GJ 3753A mag 12.3 Sp DA3 12501+5506 GJ 3753B sep 2.0 P.A. 322.50 mag 12.8 12501+5506 FAR 14C sep 77.5 P.A. 120.60 mag 19.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12501+5506 : ALADIN DSS IMAGE @ 12h 50m 04.42s +55° 06' 02.1"
 
 
 
 
WDS 12501+5506 GJ 3753 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12501+5506 GJ 3753AB distance=0' 12484+5509 NSN 634 distance=15' 12478+5522 TDS8526 distance=26' 12541+5500 LDS3067 distance=36' 12538+5440 STI2291 distance=42' 12561+5540 LDS3068 distance=61' 12540+5558 BLM 2 (Alioth) distance=62' 12519+5354 CVR1474 distance=74' 12426+5545 LDS3058 distance=75' 12417+5543 SHY 64AB distance=81' 12417+5543 SHY 64AC distance=81' 12417+5543 SHY 64AD distance=81' 12417+5543 SHY 236AE distance=81' 12556+5613 DAM 711AB distance=81' 12563+5406 STF1695AB distance=81' 12563+5406 STF1695AC distance=81' 12556+5613 LDS1343BC distance=82' 12591+5441 LDS3069 distance=83' 12402+5503 STI2290AB distance=85' 12421+5415 LDS3056AB distance=87' 12409+5545 SLW 756 distance=88' 12395+5516 BOY 6 distance=92' 12487+5640 TDS8534 distance=95' 12439+5349 ES 729 distance=95' 13008+5545 STI2293 distance=99' 12574+5351 WIS 211 distance=100' 12574+5351 NSN 636Aa,Ab distance=100' 12483+5653 LDS2660 distance=108' 12406+5629 MLB 169 distance=116' 13007+5622 BU 1082 distance=118' 12418+5645 BWL 33AB distance=122' 12418+5645 BWL 33AC distance=122' 12418+5645 BWL 33AD distance=122' 12556+5706 MLR 553 distance=129' 12560+5305 TDS8595 distance=133' 13026+5625 KR 41 distance=133' 13054+5452 UC 182 distance=133' 13048+5555 WOR 23 distance=134' 12473+5252 HDS1794 distance=137' 13048+5418 UC 2471 distance=137' 13042+5615 MLR 554 distance=138' 12584+5705 A 1604 distance=138' 12449+5718 LDS1336 distance=139' 12339+5522 STI2286 distance=140' 12542+5250 BEM 2 distance=140' 12352+5617 STI2287 distance=144' 13020+5654 HJ 2631 distance=148' 12329+5448 A 1600AB distance=149' 12329+5448 GII 188Aa,Ab distance=149' 12358+5635 STF1662 distance=150' 12358+5641 SLW 740 distance=154' 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 12501+5506 GJ 3753 AB 307 2.6
Show 12501+5506 FAR 14 AC 109 123.1
Show 12484+5509 NSN 634 140 2.2 15
Show 12478+5522 TDS8526 23 0.6 26
Show 12541+5500 LDS3067 278 10.8 36
Show 12538+5440 STI2291 28 5.9 42
Show 12561+5540 LDS3068 349 14.1 61
Show Alioth 12540+5558 BLM 2 60 0.1 62
Show 12519+5354 CVR1474 295 4.0 74
Show 12426+5545 LDS3058 248 6.6 75
Show 12417+5543 SHY 64 AB 191 999.9 81
Show 12417+5543 SHY 64 AC 309 999.9 81
Show 12417+5543 SHY 64 AD 69 999.9 81
Show 12417+5543 SHY 236 AE 248 999.9 81
Show 12556+5613 DAM 711 AB 47 60.3 81
Show 12563+5406 STF1695 AB 280 3.7 81
Show 12563+5406 STF1695 AC 139 131.7 81
Show 12556+5613 LDS1343 BC 207 5.9 82
Show 12591+5441 LDS3069 169 54.3 83
Show 12402+5503 STI2290 AB 246 13.5 85
Show 12421+5415 LDS3056 AB 90 2.0 87
Show 12409+5545 SLW 756 117 10.1 88
Show 12395+5516 BOY 6 7 0.2 92
Show 12487+5640 TDS8534 271 2.6 95
Show 12439+5349 ES 729 227 8.8 95
Show 13008+5545 STI2293 115 9.6 99
Show 12574+5351 WIS 211 200 419.2 100
Show 12574+5351 NSN 636 Aa,Ab 317 1.6 100
Show 12483+5653 LDS2660 129 83.3 108
Show 12406+5629 MLB 169 310 2.0 116
Show 13007+5622 BU 1082 141 0.7 118
Show 12418+5645 BWL 33 AB 8 9.0 122
Show 12418+5645 BWL 33 AC 239 12.4 122
Show 12418+5645 BWL 33 AD 241 22.8 122
Show 12556+5706 MLR 553 188 0.5 129
Show 12560+5305 TDS8595 225 0.6 133
Show 13026+5625 KR 41 333 3.5 133
Show 13054+5452 UC 182 184 43.3 133
Show 13048+5555 WOR 23 163 2.0 134
Show 12473+5252 HDS1794 182 0.2 137
Show 13048+5418 UC 2471 113 13.5 137
Show 13042+5615 MLR 554 145 0.6 138
Show 12584+5705 A 1604 328 2.6 138
Show 12449+5718 LDS1336 10 236.1 139
Show 12339+5522 STI2286 86 11.5 140
Show 12542+5250 BEM 2 271 4.9 140
Show 12352+5617 STI2287 81 16.2 144
Show 13020+5654 HJ 2631 253 34.4 148
Show 12329+5448 A 1600 AB 8 0.9 149
Show 12329+5448 GII 188 Aa,Ab 137 0.1 149
Show 12358+5635 STF1662 242 19.2 150

 
 
WDS 12501+5506 : COMPONENTS
 
 
  A B
B pa=322.5°
sep=1.96"
 
C pa=120.6°
sep=77.53"
pa=121.1°
sep=79.36"
 
 
12501+5506 A
 
 
Coord arcsec 2000 125004.42+550602.1 Mag 12.3 Spectral class DA3 (white dwarf) PmRA -77.00
PmDE -7.0 Tycho2 3845-00640-1
Tycho2
Tycho2 3845-00640-1 Pflag RAmdeg 192.51863570 DEmdeg 55.10054635
PmRA -65.7 PmDE -4.9 E RAmdeg 41 E DEmdeg 49
E pmRA 5.3 E pmDE 5.6 EpRAm 1992.06 EpDEm 1991.57
Num 4 Q RAmdeg 5.1 Q DEmdeg 2.1 Q pmRA 5.2
Q pmDE 2.1 BTmag 12.599 E BTmag 0.180 VTmag 12.153
E VTmag 0.158 Prox 999 TYC HIP
CCDM RAdeg 192.51912500 DEdeg 55.10051139 EpRA 1990 1.67
EpDE 1990 1.64 E RAdeg 76.1 E DEdeg 76.2 Posflg
Corr -0.1
 
 
12501+5506 B
 
 
Coord arcsec 2000 125004.28+550603.7 Mag 12.8 Calc delta mag 0.5 Calc coord yes
 
 
12501+5506 C
 
 
Coord arcsec 2000 125012.19+550522.6 Mag 19.4 Calc delta mag 7.1 Calc coord yes