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Doubles in session


Current system
02128+7941
S 405 AB
HD 12927


Nearby doubles
20' : 02118+7922
LOC 57

24' : 02111+8005
LOC 61

24' : 02115+8005
LDS1551

27' : 02036+7949
MLR 446

31' : 02243+7946
STT 39

34' : 02010+7952
LOC 58

36' : 02249+7957
LDS1554

36' : 02243+8000
LDS1553

40' : 02074+7905
LOC 59

42' : 02241+7914
LOC 39

46' : 02094+8026
TDS 73

51' : 01587+7909
LOC 76

52' : 02253+8021
LOC 37

66' : 02055+8044
LOC 60

66' : 02211+8044
STF 223

68' : 02292+7852
LOC 34

74' : 02318+7849
LDS1556

76' : 02280+7839
LOC 35

84' : 02308+8052
TDS2272

92' : 02030+7814
SKF2755

94' : 01544+7824
TDS2050

103' : 02001+7806
LOC 56

108' : 02105+8129
STT 37

120' : 02209+7744
LOC 33

121' : 01538+7754
LOC 74

122' : 02230+7743
LOC 131AB



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.

02128+7941 S 405 AB (HD 12927)

 
 
02h 12m 49.98s +79° 41' 29.3" P.A. 277.00 sep 55.7 mag 6.47,7.15 Sp A5III dist. 140.85 pc (459.45 l.y.)
 
 
Coord 2000 02128+7941 Discov num S   405 Comp AB Coord arcsec 2000 02 12 49.98 +79 41 29.3
Date first 1782 Date last 2019 Obs 33
Pa first 274 Pa last 277.2 P.A. Now (θ) 277.2°
Sep first 51.0 Sep last 55.654 Sep. Now (ρ) 55.654"
Mag pri 6.47 Mag sec 7.15 delta mag (ΔM) 0.68 Spectral class A5III (white)
Pri motion ra -023 Sec motion ra -019
Pri motion dec +024 Sec motion dec +021
Notes N (See Notes)
rPM=0.15 (< 0.3, Physical double)
This double is physical.
 
 
02128+7941 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 12927 4594 02 12 50 +79 41 29 S 405 AB 2019 33 277 55.7 6.47 7.15 0.68 <===
Show 4592 02 12 29 +79 41 36 S 405 BC 2015 7 224 51.2 7.16 13.90 6.74
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 12927 Constellation Cepheus SAO 4594 HIP 10309
Tycho2 4503-01788-1 Gaia DR2 562616771336652032 HD 12927 GC 2585
DM BD+78 71 BD BD+79 63 Distance 140.85 Distance ly 459.45
 
 
WDS 02128+7941 S 405 AB (HD 12927) : NOTES
 
 
discov_num notes refcode
S 405 STTA 22. A is a Delta Scuti-type variable and spectroscopic
binary, P = 4.12d. B is BD+78@71.
AB: H 5 84. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 S South, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02128+7941 S 405 AB 2002 23 277 55.1 6.47 7.15 A5III N D 021249.98+794129.3
02128+7941 S 405 AB 2003 26 277 55.6 6.47 7.15 A5III N D 021249.98+794129.3
02128+7941 S 405 AB 2012 26 277 55.3 6.47 7.15 A5III N D 021249.98+794129.3
02128+7941 S 405 AB 2015 27 277 55.5 6.47 7.15 A5III N 021249.98+794129.3
02128+7941 S 405 AB 2016 28 278 55.6 6.47 7.15 A5III N 021249.98+794129.3
02128+7941 S 405 AB 2017 30 277 55.6 6.47 7.15 A5III N 021249.98+794129.3
02128+7941 S 405 AB 2018 31 278 55.6 6.47 7.15 A5III N 021249.98+794129.3
02128+7941 S 405 AB 2019 33 278 55.7 6.47 7.15 A5III N 021249.98+794129.3

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

 
 
WDS 02128+7941 S 405 AB (HD 12927) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 22/10/07 daedalus1 mean difficulty separated 278   Seeing: Pickering 8, excellent. Measure: theta 278, rho 56.25 +/- 0.097. Very bright white stars. Beautiful! Primary noticeably brighter.

 
 
WDS 02128+7941 S 405 AB (HD 12927) : MEASURES
 
 
No records found.

 
 
WDS 02128+7941 (HD 12927) : VIRTUAL EYEPIECE
 
 

02128+7941 S 405A mag 6.47 Sp A5III 02128+7941 S 405B sep 55.8 P.A. 276.70 mag 7.16 Sp Am 02128+7941 S 405C sep 68.9 P.A. 243.70 mag 13.9 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 02128+7941 (HD 12927) : ALADIN DSS IMAGE @ 02h 12m 49.98s +79° 41' 29.3"
 
 
 
 
WDS 02128+7941 S 405 AB (HD 12927) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02128+7941 S 405AB distance=1' 02128+7941 S 405BC distance=1' 02118+7922 LOC 57 distance=20' 02111+8005 LOC 61 distance=24' 02115+8005 LDS1551 distance=24' 02036+7949 MLR 446 distance=27' 02243+7946 STT 39 distance=31' 02010+7952 LOC 58 distance=34' 02249+7957 LDS1554 distance=36' 02243+8000 LDS1553 distance=36' 02074+7905 LOC 59 distance=40' 02241+7914 LOC 39 distance=42' 02094+8026 TDS 73 distance=46' 01587+7909 LOC 76 distance=51' 02253+8021 LOC 37 distance=52' 02055+8044 LOC 60 distance=66' 02211+8044 STF 223 distance=66' 02292+7852 LOC 34 distance=68' 02318+7849 LDS1556 distance=74' 02280+7839 LOC 35 distance=76' 02308+8052 TDS2272 distance=84' 02030+7814 SKF2755 distance=92' 01544+7824 TDS2050 distance=94' 02001+7806 LOC 56 distance=103' 02105+8129 STT 37 distance=108' 02209+7744 LOC 33 distance=120' 01538+7754 LOC 74 distance=121' 02230+7743 LOC 131BC distance=122' 02230+7743 LOC 131AB distance=122' 02230+7743 LOC 131AC distance=122' 02051+8145 TDS2105 distance=125' 02045+8146 LDS1549 distance=127' 01596+7737 LOC 73 distance=131' 02291+8152 LOC 42 distance=137' 02322+8153 LOC 40 distance=140' 02051+7717 SHJ 22AB distance=147' 02051+7717 LSC 19Aa,Ab distance=147' 02289+7721 HJ 2129 distance=151' 02076+8214 LOC 64 distance=154' 01542+7713 BVD 293 distance=159' 02061+8220 HJ 2095 distance=159' 02039+8221 HJ 2090 distance=161' 02276+8225 LOC 44 distance=167' 02108+7654 LOC 52 distance=168' 01589+8227 MLR 485 distance=169' 02241+8230 LOC 45 distance=172' 02025+7650 LOC 53 distance=175' 02310+7655 LOC 32 distance=176' 01566+8244 LOC 82 distance=187' 01545+7637 LDS1544 distance=193' 01555+7637 LDS1545 distance=195' 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 02128+7941 S 405 AB 277 55.7 1
Show 02128+7941 S 405 BC 224 51.2 1
Show 02118+7922 LOC 57 208 58.5 20
Show 02111+8005 LOC 61 120 8.4 24
Show 02115+8005 LDS1551 120 8.4 24
Show 02036+7949 MLR 446 37 2.0 27
Show 02243+7946 STT 39 17 0.3 31
Show 02010+7952 LOC 58 199 8.4 34
Show 02249+7957 LDS1554 327 21.2 36
Show 02243+8000 LDS1553 8 5.5 36
Show 02074+7905 LOC 59 69 3.6 40
Show 02241+7914 LOC 39 183 1.1 42
Show 02094+8026 TDS 73 307 3.0 46
Show 01587+7909 LOC 76 154 26.2 51
Show 02253+8021 LOC 37 345 2.1 52
Show 02055+8044 LOC 60 355 5.9 66
Show 02211+8044 STF 223 48 0.8 66
Show 02292+7852 LOC 34 346 4.0 68
Show 02318+7849 LDS1556 7 3.6 74
Show 02280+7839 LOC 35 274 5.2 76
Show 02308+8052 TDS2272 202 0.5 84
Show 02030+7814 SKF2755 272 29.0 92
Show 01544+7824 TDS2050 35 1.9 94
Show 02001+7806 LOC 56 109 2.2 103
Show 02105+8129 STT 37 208 1.2 108
Show 02209+7744 LOC 33 239 27.6 120
Show 01538+7754 LOC 74 79 21.8 121
Show 02230+7743 LOC 131 BC 141 14.2 122
Show 02230+7743 LOC 131 AB 277 2.1 122
Show 02230+7743 LOC 131 AC 148 12.8 122
Show 02051+8145 TDS2105 284 1.6 125
Show 02045+8146 LDS1549 42 61.3 127
Show 01596+7737 LOC 73 174 1.5 131
Show 02291+8152 LOC 42 249 1.8 137
Show 02322+8153 LOC 40 298 3.8 140
Show 02051+7717 SHJ 22 AB 211 97.2 147
Show 02051+7717 LSC 19 Aa,Ab 296 0.1 147
Show 02289+7721 HJ 2129 155 17.4 151
Show 02076+8214 LOC 64 301 2.1 154
Show 01542+7713 BVD 293 25 19.8 159
Show 02061+8220 HJ 2095 271 17.4 159
Show 02039+8221 HJ 2090 345 10.1 161
Show 02276+8225 LOC 44 322 1.5 167
Show 02108+7654 LOC 52 301 2.9 168
Show 01589+8227 MLR 485 115 0.3 169
Show 02241+8230 LOC 45 41 2.9 172
Show 02025+7650 LOC 53 6 11.7 175
Show 02310+7655 LOC 32 38 58.8 176
Show 01566+8244 LOC 82 266 6.8 187
Show 01545+7637 LDS1544 61 23.2 193
Show 01555+7637 LDS1545 206 3.0 195

 
 
WDS 02128+7941 : COMPONENTS
 
 
  A B
B pa=276.7°
sep=55.80"
 
C pa=243.7°
sep=68.89"
pa=189.7°
sep=37.52"
 
 
02128+7941 A
 
 
Name HD 12927 Coord arcsec 2000 021249.98+794129.3 Mag 6.47 Spectral class A5III (white)
PmRA -23.00 PmDE 24.0 SAO 4594 HIP 10309
Tycho2 4503-01788-1 HD 12927 GC 2585 BD BD+79 63
Tycho2
Tycho2 4503-01788-1 Pflag RAmdeg 33.20798764 DEmdeg 79.69153856
PmRA -19.7 PmDE 23.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.48 EpDEm 1991.57
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 6.713 E BTmag 0.014 VTmag 6.473
E VTmag 0.010 Prox 556 TYC T HIP 10309
CCDM RAdeg 33.20824222 DEdeg 79.69148444 EpRA 1990 1.68
EpDE 1990 1.73 E RAdeg 3.8 E DEdeg 3.6 Posflg
Corr 0.1
SAO
SAO 4594 DelFlag RA1950 PmRA1950 -0.0045
DE1950 PmDE1950 0.025 Vmag 6.5 SpType A3
Double code Source 70 CatNum 2585 DM BD+79 63
DMcomp BDsup HD 12927 M HD 0
GC 2585 RA1950rad 0.55426177 DE1950rad 1.38677622 PmRA2000 -0.0059
PmDE2000 0.02
Hipparcos
Catalog H HIP 10309 Proxy RAhms 02 12 49.98
DEdms +79 41 29.3 Vmag 6.46 VarFlag 1 R Vmag H
RAdeg 33.2083 DEdeg 79.6915 AstroRef Plx 7.95
CCDM 02127+7942 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 12927 BD BD+79 63
CD CP Dm number +79 63 VIred 0.23
SpType A3 R SpType Coord arcsec 2000 021249.98+794129.3
Hipparcos 2
HIP 10309 Sn 5 So 0 Nc 1
RArad 0.5795934362 DErad 1.3908787111 Plx 7.1 PmRA -22.56
PmDE 23.78 E RArad 0.28 E DErad 0.29 E Plx 0.35
E pmRA 0.33 E pmDE 0.33 Hpmag 6.5259 E Hpmag 0.0009
SHp 0.01 VA 0 BV 0.24 E BV 0.006
VI 0.27
 
 
02128+7941 B
 
 
Coord arcsec 2000 021229.33+794135.8 Coord calc 021229.33+794135.8 Mag 7.16 Spectral class Am (white)
PmRA -19.00 PmDE 21.0 SAO 4592 HIP 10285
Tycho2 4503-02294-1 HD 12881 GC 2577 BD BD+78 71
Calc delta mag 0.69
Tycho2
Tycho2 4503-02294-1 Pflag RAmdeg 33.12222922 DEmdeg 79.69329701
PmRA -17.5 PmDE 20.8 E RAmdeg 5 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.40 EpDEm 1991.61
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.6 BTmag 7.467 E BTmag 0.015 VTmag 7.154
E VTmag 0.010 Prox 556 TYC T HIP 10285
CCDM RAdeg 33.12245472 DEdeg 79.69324944 EpRA 1990 1.70
EpDE 1990 1.77 E RAdeg 4.5 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 4592 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 0.044 Vmag 7.1 SpType A2
Double code Source 70 CatNum 2577 DM BD+78 71
DMcomp BDsup HD 12881 M HD 0
GC 2577 RA1950rad 0.55280851 DE1950rad 1.38680832 PmRA2000 -0.0032
PmDE2000 0.039
Hipparcos
Catalog H HIP 10285 Proxy RAhms 02 12 29.39
DEdms +79 41 35.7 Vmag 7.17 VarFlag R Vmag H
RAdeg 33.1225 DEdeg 79.6932 AstroRef Plx 7.83
CCDM 02127+7942 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 12881 BD BD+78 71
CD CP Dm number +78 71 VIred 0.33
SpType Am... R SpType Coord arcsec 2000 021229.39+794135.7
Hipparcos 2
HIP 10285 Sn 5 So 0 Nc 1
RArad 0.5780958558 DErad 1.3909095421 Plx 7.22 PmRA -18.85
PmDE 20.75 E RArad 0.3 E DErad 0.25 E Plx 0.34
E pmRA 0.42 E pmDE 0.32 Hpmag 7.2434 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.311 E BV 0.009
VI 0.36
 
 
02128+7941 C
 
 
Coord arcsec 2000 021226.97+794058.8 Mag 13.9 PmRA -6.00 PmDE -7.0
Calc delta mag 7.43 Calc coord yes