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Doubles in session


Current system
00121+5337
BU 1026 AB
HD 761


Nearby doubles
12' : 00134+5342
TDS1348

26' : 00146+5350
HLD 1

28' : 00105+5314
TDS1332

29' : 00093+5324
ES 928AB

33' : 00142+5405
TDS1353

34' : 00149+5315
A 903

38' : 00082+5340
MLR 634

38' : 00099+5409
ES 929

38' : 00125+5415
TDS1341

40' : 00104+5415
J 2383

40' : 00151+5407
TDS1359

44' : 00153+5304
GIC 5

45' : 00148+5415
TDS1355

45' : 00151+5414
TDS1358

47' : 00122+5424
HEI 418

47' : 00173+5346
TDS1383

50' : 00170+5315
HDS 38

51' : 00177+5343
ES 2578

52' : 00112+5247
GUR 39AB

52' : 00118+5429
HEI 417AB

55' : 00136+5245
RAO 523AB

61' : 00150+5243
TDS1357

62' : 00109+5438
STI1290

66' : 00076+5246
A 1253

66' : 00126+5443
HEI 419

68' : 00110+5445
HEI 416



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.

00121+5337 BU 1026 AB (HD 761)

 
 
00h 12m 08.05s +53° 37' 26.1" P.A. 324.00 sep 0.3 mag 7.25,8.46 Sp A7Vn+F2V dist. 119.9 pc (391.11 l.y.)
 
 
Coord 2000 00121+5337 Discov num BU 1026 Comp AB Coord arcsec 2000 00 12 08.05 +53 37 26.1
Date first 1888 Date last 2021 Obs 137
Pa first 330 Pa last 324.4 P.A. Now (θ) 332.4° (calc)
Sep first 0.5 Sep last 0.317 Sep. Now (ρ) 0.334" (calc)
Mag pri 7.25 Mag sec 8.46 delta mag (ΔM) 1.21 Spectral class A7Vn+F2V (white/yellow-white)
Pri motion ra +039 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00121+5337 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 761 21202 00 12 08 +53 37 26 BU 1026 AB 2021 137 324 0.3 7.25 8.46 1.21 Y <===
Show 21202 00 12 08 +53 37 26 CHR 1 AC 2001 8 298 0.3 7.25
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 761 Constellation Cassiopeia SAO 21202 HIP 981
Tycho2 3652-01234-1 Gaia DR2 420017603641437824 HD 761 GC 208
ADS 148 BD BD+52 19 Distance 119.9 Distance ly 391.11
 
 
ORBITAL ELEMENTS
 
 
Period (P)66.84y± 0.17 Periastron (T)1986.542y± 0.029 Semi-major axis (a)0.2514a± 0.0055
Eccentricity (e)0.8282± 0.0058 Inclination (i)42.77°± 0.84 Longitude of periastron (ω)255.2°± 1.1
Node (Ω)254.9°± 1.2 Notesn ReferenceHrt1996a
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 299.4 0.286
2001 301.1 0.294
2002 302.7 0.301
2003 304.2 0.308
2004 305.6 0.314
2005 307.0 0.319
2006 308.4 0.324
2007 309.7 0.329
2008 311.0 0.333
2009 312.2 0.336
2010 313.5 0.339
2011 314.7 0.342
2012 315.9 0.344
2013 317.0 0.345
2014 318.2 0.347
2015 319.4 0.348
2016 320.5 0.348
2017 321.7 0.348
2018 322.8 0.348
2019 324.0 0.348
2020 325.1 0.347
2021 326.3 0.345
2022 327.5 0.344
2023 328.7 0.342
2024 329.9 0.339
2025 331.1 0.337
2026 332.4 0.334
2027 333.6 0.330
2028 334.9 0.326
2029 336.3 0.322
2030 337.6 0.318
2031 339.0 0.313
2032 340.5 0.308
2033 342.0 0.302
2034 343.6 0.296
2035 345.2 0.290
2036 346.9 0.283
2037 348.7 0.276
2038 350.6 0.268
2039 352.6 0.260
2040 354.8 0.251
2041 357.1 0.242
2042 359.6 0.232
2043 2.3 0.222
2044 5.3 0.211
2045 8.6 0.199
2046 12.4 0.186
2047 16.7 0.173
2048 21.9 0.158
2049 28.1 0.142
2050 36.0 0.124


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00121%2B5337a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 00121+5337 BU 1026 AB (HD 761) : NOTES
 
 
discov_num notes refcode
BU 1026 AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 6.13 +/- 1.26, 3.41, and 3.01 Msun, respectively. Mlk2012
CHR 1 AC: Rapid motion, particularly in separation.
 
 
REFERENCES
 
 
refcode metd author reference
Hrt1996a Sc j Hartkopf, W.I., Mason, B.D., & McAlister, H.A. 1996AJ....111..370H
Hrt1996a +orb AJ 111, 370, 1996
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
discov author
BU Burnham, S.W. (BU 1 - 81)
HRT Hartkopf, W.I., McAlister, H.A., Mason, B.D., ten Brummelaar, T.A., Roberts, J.C.,
HRT Jr., Turner, N.H., & Wilson, J.W.
HRT Hartkopf, W.I., W.I., Mason, B.D., Gies, D.R., ten Brummelaar, T.,
HRT McAlister, H.A., Moffat, A.F.J., Shara, M.M., & Wallace, D.J.
HRT Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,
HRT Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
HRT Hartkopf, W.I., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., Turner, N.H.,
HRT ten Brummelaar, T.A., Prieto, C.M., Ling, J.F., & Franz, O.G.
HRT Mason, B.D., Henry, T.J., Soderblom. D.R., Hartkopf, W.I., Holdenreid, E.R.,
HRT Rafferty, T.J., & Urban, S.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
00121+5337 BU 1026 AB 2007 106 309 0.3 7.25 8.46 NOD 001208.05+533726.1
00121+5337 BU 1026 AB 2008 112 311 0.3 7.25 8.46 NOD 001208.05+533726.1
00121+5337 BU 1026 AB 2010 113 313 0.3 7.25 8.46 NOD 001208.05+533726.1
00121+5337 BU 1026 AB 2014 118 319 0.3 7.25 8.46 A7Vn+F2V NO 001208.05+533726.1
00121+5337 BU 1026 AB 2016 126 330 0.4 7.25 8.46 A7Vn+F2V NO 001208.05+533726.1
00121+5337 BU 1026 AB 2018 132 325 0.4 7.25 8.46 A7Vn+F2V NO 001208.05+533726.1
00121+5337 BU 1026 AB 2021 136 324 0.3 7.25 8.46 A7Vn+F2V NO 001208.05+533726.1

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

 
 
WDS 00121+5337 BU 1026 AB (HD 761) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00121+5337 BU 1026 AB (HD 761) : MEASURES
 
 
No records found.

 
 
WDS 00121+5337 (HD 761) : VIRTUAL EYEPIECE
 
 

00121+5337 BU 1026A mag 7.25 Sp A7Vn 00121+5337 BU 1026B sep 0.3 P.A. 324.40 mag 8.46 Sp F2V 00121+5337 CHR 1C sep 0.3 P.A. 298.30 Sp F2V 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 00121+5337 (HD 761) : ALADIN DSS IMAGE @ 00h 12m 08.05s +53° 37' 26.1"
 
 
 
 
WDS 00121+5337 BU 1026 AB (HD 761) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00121+5337 BU 1026AB distance=1' 00121+5337 CHR 1AC distance=1' 00134+5342 TDS1348 distance=12' 00146+5350 HLD 1 distance=26' 00093+5324 BVD 11CD distance=26' 00093+5324 FYM 4CE distance=26' 00093+5324 FYM 4CG distance=26' 00093+5324 FYM 4EF distance=28' 00105+5314 TDS1332 distance=28' 00093+5324 ES 928AB distance=29' 00093+5324 FYM 4AE distance=29' 00093+5324 FYM 4AC distance=29' 00142+5405 TDS1353 distance=33' 00149+5315 A 903 distance=34' 00082+5340 MLR 634 distance=38' 00099+5409 ES 929 distance=38' 00125+5415 TDS1341 distance=38' 00104+5415 J 2383 distance=40' 00151+5407 TDS1359 distance=40' 00099+5301 NSN 502Ba,Bb distance=42' 00153+5304 GIC 5 distance=44' 00148+5415 TDS1355 distance=45' 00151+5414 TDS1358 distance=45' 00122+5424 HEI 418 distance=47' 00173+5346 TDS1383 distance=47' 00170+5315 HDS 38 distance=50' 00177+5343 ES 2578 distance=51' 00112+5247 TDS1335Aa,Ab distance=52' 00112+5247 GUR 39AB distance=52' 00118+5429 HEI 417AB distance=52' 00118+5429 HEI 417AC distance=52' 00136+5245 RAO 523AB distance=55' 00150+5243 TDS1357 distance=61' 00109+5438 STI1290 distance=62' 00076+5246 A 1253 distance=66' 00126+5443 HEI 419 distance=66' 00110+5445 HEI 416 distance=68' 00181+5255 TDS 10 distance=69' 00088+5439 STI1283 distance=69' 00078+5434 STI1279 distance=70' 00068+5430 ES 611 distance=71' 00073+5241 LDS5262 distance=71' 00159+5233 ES 865AB distance=72' 00159+5233 ES 865AC distance=72' 00159+5233 ES 865BC distance=72' 00069+5243 TDS 4 distance=73' 00167+5439 STF 16 distance=74' 00045+5412 TDS1283 distance=76' 00037+5329 WOR 30 distance=76' 00055+5251 MLR 645 distance=76' 00156+5229 POP 158 distance=77' 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 00121+5337 BU 1026 AB 324 0.3 1
Show 00121+5337 CHR 1 AC 298 0.3 1
Show 00134+5342 TDS1348 34 0.6 12
Show 00146+5350 HLD 1 13 2.4 26
Show 00093+5324 BVD 11 CD 113 12.9 26
Show 00093+5324 FYM 4 CE 205 87.2 26
Show 00093+5324 FYM 4 CG 155 28.9 26
Show 00093+5324 FYM 4 EF 158 29.8 28
Show 00105+5314 TDS1332 316 0.4 28
Show 00093+5324 ES 928 AB 18 8.2 29
Show 00093+5324 FYM 4 AE 91 118.6 29
Show 00093+5324 FYM 4 AC 64 173.3 29
Show 00142+5405 TDS1353 177 0.7 33
Show 00149+5315 A 903 135 0.9 34
Show 00082+5340 MLR 634 97 1.3 38
Show 00099+5409 ES 929 117 3.3 38
Show 00125+5415 TDS1341 307 1.3 38
Show 00104+5415 J 2383 45 4.8 40
Show 00151+5407 TDS1359 157 4.5 40
Show 00099+5301 NSN 502 Ba,Bb 351 2.3 42
Show 00153+5304 GIC 5 354 18.8 44
Show 00148+5415 TDS1355 312 0.4 45
Show 00151+5414 TDS1358 325 0.4 45
Show 00122+5424 HEI 418 37 3.2 47
Show 00173+5346 TDS1383 24 1.6 47
Show 00170+5315 HDS 38 119 0.2 50
Show 00177+5343 ES 2578 70 16.5 51
Show 00112+5247 TDS1335 Aa,Ab 328 0.8 52
Show 00112+5247 GUR 39 AB 318 5.3 52
Show 00118+5429 HEI 417 AB 59 4.3 52
Show 00118+5429 HEI 417 AC 31 8.5 52
Show 00136+5245 RAO 523 AB 94 0.9 55
Show 00150+5243 TDS1357 81 1.2 61
Show 00109+5438 STI1290 323 11.9 62
Show 00076+5246 A 1253 83 4.0 66
Show 00126+5443 HEI 419 210 3.7 66
Show 00110+5445 HEI 416 34 0.7 68
Show 00181+5255 TDS 10 75 1.2 69
Show 00088+5439 STI1283 125 13.0 69
Show 00078+5434 STI1279 172 6.7 70
Show 00068+5430 ES 611 291 9.9 71
Show 00073+5241 LDS5262 178 4.1 71
Show 00159+5233 ES 865 AB 105 5.0 72
Show 00159+5233 ES 865 AC 69 12.0 72
Show 00159+5233 ES 865 BC 51 8.7 72
Show 00069+5243 TDS 4 182 0.8 73
Show 00167+5439 STF 16 40 5.8 74
Show 00045+5412 TDS1283 253 0.4 76
Show 00037+5329 WOR 30 183 0.9 76
Show 00055+5251 MLR 645 325 0.3 76
Show 00156+5229 POP 158 188 3.8 77

 
 
WDS 00121+5337 : COMPONENTS
 
 
  A B
B pa=324.4°
sep=0.32"
 
C pa=298.3°
sep=0.29"
pa=211.7°
sep=0.14"
 
 
00121+5337 A
 
 
Name HD 761 Coord arcsec 2000 001208.05+533726.1 Mag 7.25 Spectral class A7Vn (white)
PmRA 39.00 PmDE -12.0 SAO 21202 HIP 981
Tycho2 3652-01234-1 HD 761 GC 208 BD BD+52 19
Tycho2
Tycho2 3652-01234-1 Pflag RAmdeg 3.03368337 DEmdeg 53.62389984
PmRA 33.6 PmDE -7.0 E RAmdeg 4 E DEmdeg 3
E pmRA 1.0 E pmDE 1.2 EpRAm 1991.29 EpDEm 1991.54
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.7 Q pmRA 0.9
Q pmDE 1.5 BTmag 7.175 E BTmag 0.015 VTmag 6.898
E VTmag 0.009 Prox 999 TYC T HIP 981
CCDM AB RAdeg 3.03355139 DEdeg 53.62391611 EpRA 1990 1.60
EpDE 1990 1.68 E RAdeg 3.5 E DEdeg 3.4 Posflg P
Corr 0.4
SAO
SAO 21202 DelFlag RA1950 PmRA1950 0.0038
DE1950 PmDE1950 -0.013 Vmag 6.8 SpType F0
Double code Source 70 CatNum 208 DM BD+52 19
DMcomp BDsup HD 761 M HD 0
GC 208 RA1950rad 0.04144226 DE1950rad 0.93105994 PmRA2000 0.004
PmDE2000 -0.018
Hipparcos
Catalog H HIP 981 Proxy H RAhms 00 12 08.05
DEdms +53 37 26.1 Vmag 6.87 VarFlag R Vmag H
RAdeg 3.03354 DEdeg 53.6239 AstroRef * Plx 9.42
CCDM 38.90 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 278 Rho 0.172 HD BD BD+52 19
CD CP Dm number +52 19 VIred 0.25
SpType F0 R SpType Coord arcsec 2000 001208.05+533726.1
Hipparcos 2
HIP 981 Sn 55 So 3 Nc 2
RArad 0.0529453092 DErad 0.9359139182 Plx 8.34 PmRA 38.46
PmDE -11.2 E RArad 0.33 E DErad 0.36 E Plx 0.54
E pmRA 0.48 E pmDE 0.41 Hpmag E Hpmag 0.0008
SHp 0.012 VA 0 BV 0.262 E BV 0.004
VI 0.29
CCDM
Ccdm 00121+5337 RComp Comp A Note1
Note2 Discov num DRAs 2.13 DDEs 26.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp F0 PmNote *
PmRA 51 PmDE 5 Dm number +52 19 Cat1 BD
Name2 +53 15 Cat2 AGK2/3 HD 761 M HD
ADS BDS A 148 M ADS BDS N IDS IDS 00069N5304A
HIC 981
 
 
00121+5337 B
 
 
Coord arcsec 2000 001208.03+533726.4 Mag 8.46 Spectral class F2V (yellow-white) Delta magnitude 1.21
Coordinate calculated yes
CCDM
Ccdm 00121+5337 RComp Comp B Note1 *
Note2 Discov num BU 1026 DRAs DDEs
R dRAs Year 1888 Theta Rho
Obs 40 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 148 M ADS BDS N IDS IDS 00069N5304B
HIC 981
 
 
00121+5337 C
 
 
Coord arcsec 2000 001208.02+533726.2 Spectral class F2V (yellow-white) Delta magnitude 7.25 Coordinate calculated yes