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Doubles in session


Current system
00310+3406
STF 33
HD 2731


Nearby doubles
25' : 00292+3354
HJ 624

29' : 00314+3337
HJ 5452

32' : 00314+3335
HJ 5451

41' : 00280+3422
CVR 323

41' : 00312+3325
HU 1009

53' : 00286+3449
J 870

55' : 00352+3351
HU 1010

63' : 00357+3429
HU 1011

68' : 00359+3436
SKF 975

74' : 00261+3448
HJ 622

77' : 00364+3330
HDS 84

77' : 00369+3343
H 5 17AB

80' : 00367+3439
LDS3184

80' : 00372+3350
HLM 1

87' : 00335+3245
SEI 5

91' : 00382+3357
COU 655

93' : 00321+3538
HO 2AB

97' : 00249+3504
ES 2138

100' : 00283+3539
GRV 24

104' : 00393+3359
COU 656

105' : 00379+3430
CRB 31AB

105' : 00239+3503
GRV 20

105' : 00281+3545
ES 2079

106' : 00381+3309
SEI 6

107' : 00361+3241
MLB 442

107' : 00341+3545
POP 52AB



Selections
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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.

00310+3406 STF 33 (HD 2731)

 
 
00h 30m 58.47s +34° 05' 53.9" P.A. 213.00 sep 2.8 mag 8.83,8.91 Sp F5 dist. 117.1 pc (381.98 l.y.)
 
 
Coord 2000 00310+3406 Discov num STF  33 Comp Coord arcsec 2000 00 30 58.47 +34 05 53.9
Date first 1831 Date last 2020 Obs 84
Pa first 206 Pa last 212.6 P.A. Now (θ) 212.6°
Sep first 2.5 Sep last 2.784 Sep. Now (ρ) 2.784"
Mag pri 8.83 Mag sec 8.91 delta mag (ΔM) 0.08 Spectral class F5 (yellow-white)
Pri motion ra +026 Sec motion ra +013
Pri motion dec -008 Sec motion dec -028
Notes
rPM=0.773
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 2731 Constellation Andromeda SAO 53949 HIP 2429
Tycho2 2270-00393-2 Gaia DR2 365106240596798848 HD 2731 GC 605
BD BD+33 58 Distance 117.1 Distance ly 381.98
 
 
WDS 00310+3406 STF 33 (HD 2731) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
00310+3406 STF 33 2006 70 213 2.8 8.83 8.91 F5 +33 58 D 003058.47+340553.9
00310+3406 STF 33 2008 71 213 2.8 8.83 8.91 F5 +33 58 D 003058.47+340553.9
00310+3406 STF 33 2009 75 213 2.8 8.83 8.91 F5 +33 58 D 003058.47+340553.9
00310+3406 STF 33 2012 75 212 2.8 8.83 8.91 F5 +33 58 D 003058.47+340553.9
00310+3406 STF 33 2016 77 213 2.8 8.83 8.91 F5 +33 58 003058.47+340553.9
00310+3406 STF 33 2017 78 213 2.8 8.83 8.91 F5 +33 58 003058.47+340553.9
00310+3406 STF 33 2020 80 212 2.8 8.83 8.91 F5 +33 58 003058.47+340553.9

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

 
 
WDS 00310+3406 STF 33 (HD 2731) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00310+3406 STF 33 (HD 2731) : MEASURES
 
 
No records found.

 
 
WDS 00310+3406 (HD 2731) : VIRTUAL EYEPIECE
 
 

00310+3406 STF 33A mag 8.83 Sp F5 00310+3406 STF 33B sep 2.8 P.A. 212.60 mag 8.91 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 00310+3406 (HD 2731) : ALADIN DSS IMAGE @ 00h 30m 58.47s +34° 05' 53.9"
 
 
 
 
WDS 00310+3406 STF 33 (HD 2731) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00310+3406 STF 33 distance=0' 00292+3354 HJ 624 distance=25' 00314+3337 HJ 5452 distance=29' 00314+3335 HJ 5451 distance=32' 00280+3422 CVR 323 distance=41' 00312+3325 HU 1009 distance=41' 00286+3449 J 870 distance=53' 00352+3351 HU 1010 distance=55' 00357+3429 HU 1011 distance=63' 00359+3436 SKF 975 distance=68' 00261+3448 HJ 622 distance=74' 00364+3330 HDS 84 distance=77' 00369+3343 MKT 1Aa,Ab distance=77' 00369+3343 RBR 3Aa,Ac distance=77' 00369+3343 H 5 17AB distance=77' 00369+3343 H 5 17AC distance=77' 00367+3439 LDS3184 distance=80' 00372+3350 HLM 1 distance=80' 00335+3245 SEI 5 distance=87' 00382+3357 COU 655 distance=91' 00321+3538 HO 2AB distance=93' 00321+3538 HO 2AC distance=93' 00321+3538 HO 2Aa,Ab distance=93' 00321+3538 HO 2AD distance=93' 00249+3504 ES 2138 distance=97' 00283+3539 GRV 24 distance=100' 00393+3359 COU 656 distance=104' 00379+3430 CRB 31AB distance=105' 00379+3430 CRB 31Ba,Bb distance=105' 00239+3503 GRV 20 distance=105' 00281+3545 ES 2079 distance=105' 00381+3309 SEI 6 distance=106' 00361+3241 MLB 442 distance=107' 00341+3545 POP 52AB distance=107' 00341+3545 POP 52AD distance=107' 00341+3545 TOB 17AE distance=107' 00341+3545 POP 52BC distance=108' 00266+3539 ES 2401 distance=108' 00329+3551 HO 211 distance=109' 00325+3553 ALI 17 distance=110' 00394+3446 COU 657 distance=113' 00235+3301 ES 313 distance=115' 00386+3516 ES 2139 distance=118' 00307+3208 STT 11 distance=118' 00253+3230 STF 29 distance=120' 00297+3604 KU 68 distance=120' 00274+3214 UC 371 distance=121' 00253+3547 BRT3231 distance=124' 00336+3605 CBL 578 distance=124' 00357+3216 HJ 625 distance=125' 00401+3503 UC 418BC distance=127' 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 00310+3406 STF 33 213 2.8 0
Show 00292+3354 HJ 624 346 15.2 25
Show 00314+3337 HJ 5452 305 16.0 29
Show 00314+3335 HJ 5451 86 56.3 32
Show 00280+3422 CVR 323 211 21.9 41
Show 00312+3325 HU 1009 240 1.9 41
Show 00286+3449 J 870 211 3.5 53
Show 00352+3351 HU 1010 94 1.1 55
Show 00357+3429 HU 1011 82 0.3 63
Show 00359+3436 SKF 975 309 36.7 68
Show 00261+3448 HJ 622 131 19.9 74
Show 00364+3330 HDS 84 34 0.3 77
Show 00369+3343 MKT 1 Aa,Ab 102 0.0 77
Show 00369+3343 RBR 3 Aa,Ac 265 0.2 77
Show 00369+3343 H 5 17 AB 174 36.2 77
Show 00369+3343 H 5 17 AC 356 55.2 77
Show 00367+3439 LDS3184 237 101.3 80
Show 00372+3350 HLM 1 144 14.3 80
Show 00335+3245 SEI 5 355 13.2 87
Show 00382+3357 COU 655 214 0.5 91
Show 00321+3538 HO 2 AB 98 2.7 93
Show 00321+3538 HO 2 AC 276 33.0 93
Show 00321+3538 HO 2 Aa,Ab 27 0.3 93
Show 00321+3538 HO 2 AD 97 2.8 93
Show 00249+3504 ES 2138 45 4.2 97
Show 00283+3539 GRV 24 232 65.5 100
Show 00393+3359 COU 656 153 0.8 104
Show 00379+3430 CRB 31 AB 111 14.3 105
Show 00379+3430 CRB 31 Ba,Bb 111 0.5 105
Show 00239+3503 GRV 20 132 16.6 105
Show 00281+3545 ES 2079 346 5.2 105
Show 00381+3309 SEI 6 354 13.5 106
Show 00361+3241 MLB 442 107 9.5 107
Show 00341+3545 POP 52 AB 80 50.5 107
Show 00341+3545 POP 52 AD 127 65.7 107
Show 00341+3545 TOB 17 AE 312 44.2 107
Show 00341+3545 POP 52 BC 321 8.2 108
Show 00266+3539 ES 2401 357 7.6 108
Show 00329+3551 HO 211 19 1.6 109
Show 00325+3553 ALI 17 115 14.5 110
Show 00394+3446 COU 657 39 1.2 113
Show 00235+3301 ES 313 24 4.4 115
Show 00386+3516 ES 2139 37 3.9 118
Show 00307+3208 STT 11 317 197.5 118
Show 00253+3230 STF 29 167 5.3 120
Show 00297+3604 KU 68 353 44.6 120
Show 00274+3214 UC 371 32 40.0 121
Show 00253+3547 BRT3231 195 3.7 124
Show 00336+3605 CBL 578 345 42.7 124
Show 00357+3216 HJ 625 285 15.0 125
Show 00401+3503 UC 418 BC 153 44.2 127

 
 
WDS 00310+3406 : COMPONENTS
 
 
  A
B pa=212.6°
sep=2.78"
 
 
00310+3406 A
 
 
Name HD 2731 Coord arcsec 2000 003058.47+340553.9 Mag 8.83 Spectral class F5 (yellow-white)
PmRA 26.00 PmDE -8.0 SAO 53949 HIP 2429
Tycho2 2270-00393-2 HD 2731 GC 605 BD BD+33 58
Tycho2
Tycho2 2270-00393-2 Pflag P RAmdeg 7.74361608 DEmdeg 34.09829370
PmRA 21.2 PmDE -8.1 E RAmdeg 10 E DEmdeg 10
E pmRA 2.1 E pmDE 1.9 EpRAm 1991.43 EpDEm 1991.34
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.1 Q pmRA 1.6
Q pmDE 1.1 BTmag 9.241 E BTmag 0.021 VTmag 8.830
E VTmag 0.019 Prox 27 TYC T HIP 2429
CCDM B RAdeg 7.74333778 DEdeg 34.09801750 EpRA 1990 1.67
EpDE 1990 1.73 E RAdeg 11.2 E DEdeg 11.1 Posflg D
Corr -0.1
SAO
SAO 53949 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0 Vmag 8 SpType F5
Double code Source 70 CatNum 605 DM BD+33 58
DMcomp BDsup HD 2731 M HD 0
GC 605 RA1950rad 0.12353778 DE1950rad 0.59031482 PmRA2000 0.0017
PmDE2000 -0.005
Hipparcos
Catalog H HIP 2429 Proxy H RAhms 00 30 58.52
DEdms +34 05 55.2 Vmag 8.07 VarFlag R Vmag G
RAdeg 7.74381 DEdeg 34.0987 AstroRef A Plx 8.1
CCDM 25.48 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 212 Rho 2.763 HD BD BD+33 58
CD CP Dm number +33 58 VIred 0.52
SpType F5 R SpType Coord arcsec 2000 003058.52+340555.2
Hipparcos 2
HIP 2429 Sn 15 So 3 Nc 2
RArad 0.135155053 DErad 0.5951338574 Plx 8.54 PmRA 25.01
PmDE -8.29 E RArad 0.87 E DErad 0.64 E Plx 1.02
E pmRA 0.98 E pmDE 0.57 Hpmag E Hpmag 0.0017
SHp 0.011 VA 0 BV 0.455 E BV 0.015
VI 0.52
CCDM
Ccdm 00310+3406 RComp Comp A Note1
Note2 Discov num DRAs -1.60 DDEs -5.4
R dRAs 12 Year Theta Rho
Obs 2 Vmag 8.7 Sp F5 PmNote
PmRA 28 PmDE -80 Dm number +33 58 Cat1 BD
Name2 53949 Cat2 SAO HD 2731 M HD
ADS BDS A 421 M ADS BDS N IDS IDS 00257N3333A
HIC 2429
 
 
00310+3406 B
 
 
Coord arcsec 2000 003058.35+340551.6 Mag 8.91 PmRA 13.00 PmDE -28.0
Delta magnitude 0.08 Coordinate calculated yes
CCDM
Ccdm 00310+3406 RComp Comp B Note1
Note2 Discov num STF 33 DRAs DDEs
R dRAs Year 1954 Theta 209 Rho 2.8
Obs 26 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 421 M ADS BDS N IDS IDS 00257N3333B
HIC 2429