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Current system
00074-7730
HJ 5442
HD 312


Nearby doubles
16' : 00122-7733
TDS1340

19' : 00046-7745
LDS 832

23' : 00022-7715
NSN 168

47' : 00204-7750
JSP 3

48' : 00191-7759
HDS 42

59' : 00249-7716
WFC 246

71' : 00233-7643
I 436

93' : 00113-7558
KPP2793

123' : 00119-7529
JSP 2

135' : 00221-7937
TDS1423

137' : 00192-7941
KPP 784

142' : 00131-7950
UC 335

144' : 00162-7951
CVN 14

144' : 00163-7951
GJ 3021

167' : 00198-8013
TDS1403

170' : 00138-7442
HJ 3353

171' : 00016-8019
NSN 161

175' : 00029-7436
TDS 3AB

176' : 00253-7446
OGL 12

176' : 00216-7442
OGL 4

179' : 00222-7439
OGL 5

181' : 00229-8025
WIS 9

183' : 00116-8031
TDS1337

188' : 00210-7429
OGL 1

189' : 00251-7432
OGL 11

203' : 00251-7417
NSN 169



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.

00074-7730 HJ 5442 (HD 312)

 
 
00h 07m 25.90s -77° 29' 39.1" P.A. 67.00 sep 27.6 mag 8.50,11.37 Sp G8III dist. 361.01 pc (1177.61 l.y.)
 
 
Coord 2000 00074-7730 Discov num HJ 5442 Comp Coord arcsec 2000 00 07 25.90 -77 29 39.1
Date first 1835 Date last 2015 Obs 11
Pa first 62 Pa last 67 P.A. Now (θ) 67°
Sep first 22.5 Sep last 27.55 Sep. Now (ρ) 27.55"
Mag pri 8.50 Mag sec 11.37 delta mag (ΔM) 2.87 Spectral class G8III (yellow)
Pri motion ra -002 Sec motion ra +037
Pri motion dec -010 Sec motion dec -007
Notes
rPM=1.039
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 312 Constellation Hydrus SAO 255633 HIP 610
Tycho2 9350-00417-1 Gaia DR2 4683829241229874560 HD 312 CP CP-78 1
Distance 361.01 Distance ly 1177.61
 
 
WDS 00074-7730 HJ 5442 (HD 312) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00074-7730 HJ 5442 1998 8 66 26.9 8.49 11.60 G8III D 000725.90-772939.1
00074-7730 HJ 5442 2010 10 67 27.4 8.50 11.37 G8III 000725.90-772939.1
00074-7730 HJ 5442 2015 11 67 27.6 8.50 11.37 G8III 000725.90-772939.1

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

 
 
WDS 00074-7730 HJ 5442 (HD 312) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00074-7730 HJ 5442 (HD 312) : MEASURES
 
 
No records found.

 
 
WDS 00074-7730 (HD 312) : VIRTUAL EYEPIECE
 
 

00074-7730 HJ 5442A mag 8.5 Sp G8III 00074-7730 HJ 5442B sep 12.1 P.A. 27.00 mag 11.37 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00074-7730 (HD 312) : ALADIN DSS IMAGE @ 00h 07m 25.90s -77° 29' 39.1"
 
 
 
 
WDS 00074-7730 HJ 5442 (HD 312) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00074-7730 HJ 5442 distance=0' 00122-7733 TDS1340 distance=16' 00046-7745 LDS 832 distance=19' 00022-7715 NSN 168 distance=23' 00204-7750 JSP 3 distance=47' 00191-7759 HDS 42 distance=48' 00249-7716 WFC 246 distance=59' 00233-7643 I 436 distance=71' 00113-7558 KPP2793 distance=93' 00119-7529 JSP 2 distance=123' 00221-7937 TDS1423 distance=135' 00192-7941 KPP 784 distance=137' 00131-7950 UC 335 distance=142' 00162-7951 CVN 14 distance=144' 00163-7951 GJ 3021 distance=144' 00198-8013 TDS1403 distance=167' 00138-7442 HJ 3353 distance=170' 00016-8019 NSN 161 distance=171' 00029-7436 TDS 3AB distance=175' 00029-7436 BVD 30AB,C distance=175' 00253-7446 OGL 12 distance=176' 00216-7442 OGL 4 distance=176' 00222-7439 OGL 5 distance=179' 00229-8025 WIS 9 distance=181' 00116-8031 TDS1337 distance=183' 00210-7429 OGL 1 distance=188' 00251-7432 OGL 11 distance=189' 00251-7417 NSN 169 distance=203' 00247-7414 BAS 1 distance=206' 00251-8050 WFC 2 distance=207' 00190-7406 SHN 46 distance=208' 00215-7407 OGL 3 distance=210' 00160-7401 B 2064 distance=212' 00254-7404 OGL 13 distance=217' 00214-7355 OGL 2 distance=222' 00242-7349 OGL 8 distance=229' 00105-7339 B 2063 distance=231' 00255-7334 OGL 14 distance=245' 00106-7313 I 43AB distance=257' 00106-7313 I 43AB,C distance=257' 00272-7324 TOK 908 distance=257' 00240-7300 OGL 6 distance=277' 00241-7300 OGL 7 distance=278' 00150-7251 BRG 1 distance=281' 00023-7238 HJ 5439 distance=293' 00250-7244 OGL 10 distance=293' 00247-7240 OGL 9 distance=297' 00270-7237 OGL 18 distance=303' 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 00074-7730 HJ 5442 67 27.6
Show 00122-7733 TDS1340 5 1.0 16
Show 00046-7745 LDS 832 187 9.3 19
Show 00022-7715 NSN 168 107 4.8 23
Show 00204-7750 JSP 3 210 2.6 47
Show 00191-7759 HDS 42 40 0.9 48
Show 00249-7716 WFC 246 250 256.3 59
Show 00233-7643 I 436 336 0.6 71
Show 00113-7558 KPP2793 152 2.8 93
Show 00119-7529 JSP 2 295 4.9 123
Show 00221-7937 TDS1423 34 0.8 135
Show 00192-7941 KPP 784 205 6.7 137
Show 00131-7950 UC 335 304 10.6 142
Show 00162-7951 CVN 14 352 4.0 144
Show 00163-7951 GJ 3021 352 4.0 144
Show 00198-8013 TDS1403 293 0.6 167
Show 00138-7442 HJ 3353 299 31.7 170
Show 00016-8019 NSN 161 207 2.6 171
Show 00029-7436 TDS 3 AB 47 1.5 175
Show 00029-7436 BVD 30 AB,C 11 37.8 175
Show 00253-7446 OGL 12 198 4.1 176
Show 00216-7442 OGL 4 211 20.6 176
Show 00222-7439 OGL 5 234 13.8 179
Show 00229-8025 WIS 9 139 419.2 181
Show 00116-8031 TDS1337 35 1.1 183
Show 00210-7429 OGL 1 167 77.3 188
Show 00251-7432 OGL 11 5 240.8 189
Show 00251-7417 NSN 169 288 4.7 203
Show 00247-7414 BAS 1 49 0.7 206
Show 00251-8050 WFC 2 139 6.0 207
Show 00190-7406 SHN 46 -1 0.2 208
Show 00215-7407 OGL 3 20 870.6 210
Show 00160-7401 B 2064 190 5.2 212
Show 00254-7404 OGL 13 226 28.2 217
Show 00214-7355 OGL 2 110 2.0 222
Show 00242-7349 OGL 8 272 592.8 229
Show 00105-7339 B 2063 131 0.5 231
Show 00255-7334 OGL 14 245 110.6 245
Show 00106-7313 I 43 AB 196 0.5 257
Show 00106-7313 I 43 AB,C 334 30.4 257
Show 00272-7324 TOK 908 250 0.2 257
Show 00240-7300 OGL 6 333 52.2 277
Show 00241-7300 OGL 7 174 11.6 278
Show 00150-7251 BRG 1 52 0.3 281
Show 00023-7238 HJ 5439 79 9.5 293
Show 00250-7244 OGL 10 299 14.3 293
Show 00247-7240 OGL 9 287 4.1 297
Show 00270-7237 OGL 18 263 96.9 303

 
 
WDS 00074-7730 : COMPONENTS
 
 
  A
B pa=27.0°
sep=12.08"
 
 
00074-7730 A
 
 
Componente originario normalizzato AB Name HD 312 Coord arcsec 2000 000725.90-772939.1 Mag 8.5
Spectral class G8III (yellow) PmRA -2.00 PmDE -10.0 SAO 255633
HIP 610 Tycho2 9350-00417-1 HD 312 CP CP-78 1
Tycho2
Tycho2 9350-00417-1 Pflag RAmdeg 1.85791424 DEmdeg -77.49419105
PmRA 0.4 PmDE -9.4 E RAmdeg 7 E DEmdeg 8
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.74 EpDEm 1990.62
Num 10 Q RAmdeg 0.6 Q DEmdeg 0.9 Q pmRA 0.5
Q pmDE 0.8 BTmag 9.708 E BTmag 0.020 VTmag 8.495
E VTmag 0.013 Prox 269 TYC T HIP 610
CCDM RAdeg 1.85791028 DEdeg -77.49416917 EpRA 1990 1.69
EpDE 1990 1.71 E RAdeg 7.2 E DEdeg 7.7 Posflg
Corr 0.0
SAO
SAO 255633 DelFlag RA1950 PmRA1950 -0.0085
DE1950 PmDE1950 0.043 Vmag 8.7 SpType G5
Double code Source 60 CatNum 5 DM CP-78 1
DMcomp BDsup HD 312 M HD 0
GC RA1950rad 0.02180552 DE1950rad -1.35736802 PmRA2000 -0.0106
PmDE2000 0.038
Hipparcos
Catalog H HIP 610 Proxy RAhms 00 07 25.90
DEdms -77 29 39.0 Vmag 8.4 VarFlag 2 R Vmag H
RAdeg 1.85793 DEdeg -77.4942 AstroRef Plx 2.19
CCDM 00075-7730 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 312 BD
CD CP CP-78 1 Dm number -78 1 VIred 0.98
SpType G8III R SpType Coord arcsec 2000 000725.90-772939.0
Hipparcos 2
HIP 610 Sn 5 So 0 Nc 1
RArad 0.0324269518 DErad -1.3525283439 Plx 2.77 PmRA -2.06
PmDE -9.8 E RArad 0.59 E DErad 0.5 E Plx 0.62
E pmRA 0.7 E pmDE 0.54 Hpmag 8.5621 E Hpmag 0.0023
SHp 0.028 VA 2 BV 1.014 E BV 0.02
VI 0.99
 
 
00074-7730 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 000727.59-772928.3 Mag 11.37 PmRA 37.00
PmDE -7.0 Calc delta mag 2.87 Calc coord yes