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Doubles in session


Current system
00146+4452
A 646 AB
HD 994


Nearby doubles
13' : 00154+4443
DAM 829AB

24' : 00126+4442
HDS 28

25' : 00169+4454
ES 1407

29' : 00156+4426
SMA 4

35' : 00169+4427
ES 1481

37' : 00175+4434
COU1501

38' : 00175+4514
ES 1294

40' : 00126+4419
LSC 5

41' : 00153+4412
A 1256AB

42' : 00136+4412
A 1254

47' : 00175+4418
ES 1482

49' : 00112+4419
ES 1406AB

52' : 00140+4401
BRT 64

54' : 00158+4543
TDS1368

54' : 00105+4524
CBL 1

59' : 00092+4443
HJ 1001

61' : 00202+4443
LDS3152

62' : 00144+4351
A 1255

63' : 00092+4520
TDS1319

65' : 00204+4512
BRT 68

65' : 00191+4406
COU1502

65' : 00184+4401
GRB 34AB

70' : 00124+4558
HDS 27AB

71' : 00104+4358
TDS1331

74' : 00142+4339
BRT 65

74' : 00205+4531
A 647



Selections
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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00146+4452 A 646 AB (HD 994)

 
 
00h 14m 35.11s +44° 51' 53.6" P.A. 46.00 sep 2.4 mag 8.70,11.40 Sp A0 dist. 854.7 pc (2788.03 l.y.)
 
 
Coord 2000 00146+4452 Discov num A   646 Comp AB Coord arcsec 2000 00 14 35.11 +44 51 53.6
Date first 1904 Date last 2016 Obs 12
Pa first 44 Pa last 46.3 P.A. Now (θ) 46.3°
Sep first 2.4 Sep last 2.408 Sep. Now (ρ) 2.408"
Mag pri 8.70 Mag sec 11.40 delta mag (ΔM) 2.7 Spectral class A0 (white)
Pri motion ra +009 Sec motion ra +007
Pri motion dec -007 Sec motion dec -007
Notes T (Parallax indicates physical)
rPM=0.175 (< 0.3, Physical double)
This double is physical.
 
 
00146+4452 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 00 14 35 +44 51 54 A 646 Aa,Ab 2015 2 38 0.3 8.70
Show HD 994 36191 00 14 35 +44 51 54 A 646 AB 2016 12 46 2.4 8.70 11.40 2.70 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 994 Constellation Andromeda SAO 36191 HIP 1167
Tycho2 2794-01076-1 HD 994 BD BD+53 25 Distance 854.7
Distance ly 2788.03
 
 
WDS 00146+4452 A 646 AB (HD 994) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
00146+4452 A 646 AB 2016 12 46 2.4 8.70 11.40 A0 +44 44 T 001435.11+445153.6

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

 
 
WDS 00146+4452 A 646 AB (HD 994) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00146+4452 A 646 AB (HD 994) : MEASURES
 
 
No records found.

 
 
WDS 00146+4452 (HD 994) : VIRTUAL EYEPIECE
 
 

00146+4452 A 646A mag 8.7 Sp A0 00146+4452 A 646Ab sep 0.3 P.A. 37.80 00146+4452 A 646B sep 2.4 P.A. 46.30 mag 11.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00146+4452 (HD 994) : ALADIN DSS IMAGE @ 00h 14m 35.11s +44° 51' 53.6"
 
 
 
 
WDS 00146+4452 A 646 AB (HD 994) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00146+4452 A 646AB distance=0' 00154+4443 DAM 829AB distance=13' 00154+4443 DAM 829AC distance=13' 00154+4443 DAM 829BC distance=13' 00126+4442 HDS 28 distance=24' 00169+4454 ES 1407 distance=25' 00156+4426 SMA 4 distance=29' 00169+4427 ES 1481 distance=35' 00175+4434 COU1501 distance=37' 00175+4514 ES 1294 distance=38' 00126+4419 LSC 5 distance=40' 00153+4412 A 1256AB distance=41' 00153+4412 A 1256AB,C distance=41' 00153+4412 A 1256AB,D distance=41' 00136+4412 A 1254 distance=42' 00175+4418 ES 1482 distance=47' 00112+4419 ES 1406BC distance=49' 00112+4419 ES 1406AB distance=49' 00112+4419 ABH 1AD distance=49' 00140+4401 BRT 64 distance=52' 00158+4543 TDS1368 distance=54' 00105+4524 CBL 1 distance=54' 00092+4443 HJ 1001 distance=59' 00202+4443 LDS3152 distance=61' 00144+4351 A 1255 distance=62' 00092+4520 TDS1319 distance=63' 00204+4512 BRT 68 distance=65' 00191+4406 COU1502 distance=65' 00184+4401 GRB 34AB distance=65' 00184+4401 GRB 34AC distance=65' 00184+4401 TNN 1AD distance=65' 00184+4401 TNN 1BE distance=65' 00184+4401 TNN 1BF distance=65' 00124+4558 HDS 27AB distance=70' 00124+4558 HDS 27AC distance=70' 00104+4358 TDS1331 distance=71' 00142+4339 BRT 65 distance=74' 00205+4531 A 647 distance=74' 00078+4507 ES 1357AB distance=75' 00078+4507 CRB 2AC distance=75' 00118+4343 UC 333 distance=76' 00187+4347 STT 5 distance=79' 00149+4610 BRT 66 distance=79' 00164+4336 HJ 1947AB distance=79' 00164+4336 WAL 5AC distance=79' 00164+4336 WAL 5AD distance=79' 00164+4336 WAL 5AE distance=79' 00142+4612 ES 1195 distance=81' 00225+4456 A 648 distance=85' 00099+4601 TDS1325 distance=85' 00066+4503 TDS1297 distance=86' 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 00146+4452 A 646 AB 46 2.4 0
Show 00146+4452 A 646 Aa,Ab 38 0.3 0
Show 00154+4443 DAM 829 AB 190 6.7 13
Show 00154+4443 DAM 829 AC 160 10.5 13
Show 00154+4443 DAM 829 BC 125 5.6 13
Show 00126+4442 HDS 28 38 0.8 24
Show 00169+4454 ES 1407 224 2.4 25
Show 00156+4426 SMA 4 159 9.5 29
Show 00169+4427 ES 1481 57 7.1 35
Show 00175+4434 COU1501 279 0.5 37
Show 00175+4514 ES 1294 228 1.1 38
Show 00126+4419 LSC 5 314 0.6 40
Show 00153+4412 A 1256 AB 223 0.0 41
Show 00153+4412 A 1256 AB,C 342 19.2 41
Show 00153+4412 A 1256 AB,D 136 26.0 41
Show 00136+4412 A 1254 272 1.3 42
Show 00175+4418 ES 1482 203 3.7 47
Show 00112+4419 ES 1406 BC 349 5.4 49
Show 00112+4419 ES 1406 AB 331 9.8 49
Show 00112+4419 ABH 1 AD 207 79.2 49
Show 00140+4401 BRT 64 132 4.8 52
Show 00158+4543 TDS1368 337 0.7 54
Show 00105+4524 CBL 1 230 23.0 54
Show 00092+4443 HJ 1001 77 15.0 59
Show 00202+4443 LDS3152 229 13.0 61
Show 00144+4351 A 1255 350 4.3 62
Show 00092+4520 TDS1319 348 0.8 63
Show 00204+4512 BRT 68 113 3.9 65
Show 00191+4406 COU1502 34 3.2 65
Show 00184+4401 GRB 34 AB 66 34.1 65
Show 00184+4401 GRB 34 AC 258 298.7 65
Show 00184+4401 TNN 1 AD 158 6.4 65
Show 00184+4401 TNN 1 BE 66 7.5 65
Show 00184+4401 TNN 1 BF 70 11.9 65
Show 00124+4558 HDS 27 AB 132 0.2 70
Show 00124+4558 HDS 27 AC 121 2.0 70
Show 00104+4358 TDS1331 62 0.6 71
Show 00142+4339 BRT 65 293 2.7 74
Show 00205+4531 A 647 91 0.7 74
Show 00078+4507 ES 1357 AB 186 4.1 75
Show 00078+4507 CRB 2 AC 226 54.4 75
Show 00118+4343 UC 333 203 83.3 76
Show 00187+4347 STT 5 240 6.1 79
Show 00149+4610 BRT 66 215 1.1 79
Show 00164+4336 HJ 1947 AB 76 8.6 79
Show 00164+4336 WAL 5 AC 14 76.4 79
Show 00164+4336 WAL 5 AD 43 99.5 79
Show 00164+4336 WAL 5 AE 44 114.7 79
Show 00142+4612 ES 1195 15 6.7 81
Show 00225+4456 A 648 97 0.4 85
Show 00099+4601 TDS1325 9 0.6 85

 
 
WDS 00146+4452 : COMPONENTS
 
 
  A Ab
Ab pa=37.8°
sep=0.34"
 
B pa=46.3°
sep=2.41"
pa=47.7°
sep=2.07"
 
 
00146+4452 A
 
 
Name HD 994 Coord arcsec 2000 001435.11+445153.6 Mag 8.7 Spectral class A0 (white)
PmRA 9.00 PmDE -7.0 Tycho2 2794-01076-1 HD 994
Tycho2
Tycho2 2794-01076-1 Pflag RAmdeg 3.64632370 DEmdeg 44.86488918
PmRA 5.2 PmDE -6.4 E RAmdeg 6 E DEmdeg 7
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.45 EpDEm 1991.09
Num 4 Q RAmdeg 0.2 Q DEmdeg 1.0 Q pmRA 0.2
Q pmDE 0.9 BTmag 9.237 E BTmag 0.016 VTmag 9.074
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 3.64630694 DEdeg 44.86490444 EpRA 1990 1.77
EpDE 1990 1.48 E RAdeg 6.3 E DEdeg 6.6 Posflg
Corr 0.0
CCDM
Ccdm 00146+4452 RComp Comp A Note1
Note2 Discov num DRAs -0.87 DDEs -7.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp A0 PmNote *
PmRA 7 PmDE -9 Dm number +44 44 Cat1 BD
Name2 +44 33 Cat2 AGK2/3 HD 994 M HD
ADS BDS A 182 M ADS BDS N IDS IDS 00094N4419A
HIC
 
 
00146+4452 Ab
 
 
Coord arcsec 2000 001435.13+445153.9 Delta magnitude 8.7 Coordinate calculated yes
 
 
00146+4452 B
 
 
Coord arcsec 2000 001435.27+445155.3 Mag 11.4 PmRA 7.00 PmDE -7.0
SAO 21235 HIP 1167 HD 992 BD BD+53 25
Delta magnitude 2.7 Coordinate calculated yes
SAO
SAO 21235 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 0.001 Vmag 7.9 SpType A0
Double code Source 37 CatNum 77 DM BD+53 25
DMcomp BDsup HD 992 M HD 0
GC RA1950rad 0.05211368 DE1950rad 0.93461969 PmRA2000 0.0019
PmDE2000 -0.004
Hipparcos
Catalog H HIP 1167 Proxy H RAhms 00 14 35.66
DEdms +53 49 39.2 Vmag 8.27 VarFlag R Vmag H
RAdeg 3.6486 DEdeg 53.8276 AstroRef A Plx 1.62
CCDM 6.60 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 12 Rho 2.331 HD BD BD+53 25
CD CP Dm number +53 25 VIred 0.02
SpType A0 R SpType Coord arcsec 2000 001435.66+534939.2
Hipparcos 2
HIP 1167 Sn 15 So 3 Nc 2
RArad 0.063680001 DErad 0.9394683016 Plx 1.17 PmRA 7.81
PmDE -4 E RArad 0.49 E DErad 0.55 E Plx 0.98
E pmRA 0.75 E pmDE 0.71 Hpmag E Hpmag 0.0011
SHp 0.017 VA 0 BV 0.2 E BV 0.495
VI 0.02
CCDM
Ccdm 00146+4452 RComp Comp B Note1
Note2 Discov num A 646 DRAs DDEs
R dRAs Year 1904 Theta 045 Rho 2.4
Obs 7 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 182 M ADS BDS N IDS IDS 00094N4419B
HIC