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Current system
10242-4245
HJ 4316
HD 90257


Nearby doubles
15' : 10255-4241
CPO 290

18' : 10227-4246
B 2239AB

28' : 10241-4312
TDS7249

30' : 10222-4226
TDS7225

36' : 10260-4215
TDS7268

39' : 10208-4252
DON 408

40' : 10273-4303
TDS 590

40' : 10248-4323
TDS7254

41' : 10243-4325
DAM2348

44' : 10256-4325
DAM2362

45' : 10230-4202
TDS7234

47' : 10264-4324
I 1200

49' : 10256-4159
TDS7262

52' : 10195-4242
TDS7182

53' : 10247-4153
DAM2352

56' : 10254-4339
TDS7259

57' : 10292-4234
TDS7293

57' : 10236-4340
DON 409

58' : 10235-4341
TDS7239

60' : 10201-4206
DAM2322

63' : 10201-4327
TDS7190

63' : 10186-4244
TDS7171

63' : 10296-4303
HDS1508

63' : 10199-4205
TDS7187

64' : 10253-4347
DAM2360

64' : 10201-4159
DAM2321



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.

10242-4245 HJ 4316 (HD 90257)

 
 
10h 24m 13.06s -42° 44' 38.8" P.A. 238.00 sep 13.1 mag 8.15,10.42 Sp A2/3V
 
 
Coord 2000 10242-4245 Discov num HJ 4316 Comp Coord arcsec 2000 10 24 13.06 -42 44 38.8
Date first 1838 Date last 2015 Obs 12
Pa first 239 Pa last 238.4 P.A. Now (θ) 238.4°
Sep first 12.0 Sep last 13.079 Sep. Now (ρ) 13.079"
Mag pri 8.15 Mag sec 10.42 delta mag (ΔM) 2.27 Spectral class A2/3V (white)
Pri motion ra -012 Sec motion ra -013
Pri motion dec +004 Sec motion dec +005
Notes
rPM=0.102 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 90257 Constellation Vela SAO 222026 Tycho2 7717-01973-1
Gaia DR2 5416218162738433024 HD 90257 GC 14295
 
 
WDS 10242-4245 HJ 4316 (HD 90257) : 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
10242-4245 HJ 4316 1999 9 238 13.1 8.15 10.42 A2/3V D 102413.06-424438.8
10242-4245 HJ 4316 2010 11 238 13.0 8.15 10.42 A2/3V 102413.06-424438.8
10242-4245 HJ 4316 2015 12 238 13.1 8.15 10.42 A2/3V 102413.06-424438.8

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

 
 
WDS 10242-4245 HJ 4316 (HD 90257) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10242-4245 HJ 4316 (HD 90257) : MEASURES
 
 
No records found.

 
 
WDS 10242-4245 (HD 90257) : VIRTUAL EYEPIECE
 
 

10242-4245 HJ 4316A mag 8.15 Sp A2/3V 10242-4245 HJ 4316B sep 10.7 P.A. 230.00 mag 10.42 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 10242-4245 (HD 90257) : ALADIN DSS IMAGE @ 10h 24m 13.06s -42° 44' 38.8"
 
 
 
 
WDS 10242-4245 HJ 4316 (HD 90257) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10242-4245 HJ 4316 distance=0' 10255-4241 CPO 290 distance=15' 10227-4246 B 2239AB distance=18' 10227-4246 B 2239AC distance=18' 10241-4312 TDS7249 distance=28' 10222-4226 TDS7225 distance=30' 10260-4215 TDS7268 distance=36' 10208-4252 DON 408 distance=39' 10273-4303 TDS 590 distance=40' 10248-4323 TDS7254 distance=40' 10243-4325 DAM2348 distance=41' 10256-4325 DAM2362 distance=44' 10230-4202 TDS7234 distance=45' 10264-4324 I 1200 distance=47' 10256-4159 TDS7262 distance=49' 10195-4242 TDS7182 distance=52' 10247-4153 DAM2352 distance=53' 10254-4339 TDS7259 distance=56' 10292-4234 TDS7293 distance=57' 10236-4340 DON 409 distance=57' 10235-4341 TDS7239 distance=58' 10201-4206 DAM2322 distance=60' 10201-4327 TDS7190 distance=63' 10186-4244 TDS7171 distance=63' 10296-4303 HDS1508 distance=63' 10199-4205 TDS7187 distance=63' 10253-4347 DAM2360 distance=64' 10201-4159 DAM2321 distance=64' 10215-4147 TDS7211Aa,Ab distance=65' 10215-4147 RST1505AB distance=65' 10199-4200 DAM2318 distance=66' 10301-4241 DON 413 distance=66' 10182-4226 RST1498 distance=70' 10305-4245 DAM2396 distance=70' 10305-4246 DAM2397 distance=70' 10254-4136 TDS7258 distance=70' 10181-4220 DAM2269 distance=72' 10199-4148 TSN 155Ba,Bb distance=74' 10240-4130 WG 132 distance=74' 10231-4132 SKF1469 distance=74' 10199-4148 LDS 302AB distance=74' 10311-4243 B 2713BC distance=76' 10311-4243 B 2713A,BC distance=76' 10298-4157 TDS7299 distance=78' 10171-4241 SWR 88 distance=79' 10286-4140 TDS7289 distance=81' 10205-4355 TDS7197AB distance=82' 10205-4355 DAM2326AB,C distance=82' 10189-4341 TDS7177 distance=82' 10312-4214 DUN 86BC distance=83' 10287-4139 KPP2628 distance=83' 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 10242-4245 HJ 4316 238 13.1
Show 10255-4241 CPO 290 56 4.1 15
Show 10227-4246 B 2239 AB 54 10.2 18
Show 10227-4246 B 2239 AC 65 16.6 18
Show 10241-4312 TDS7249 235 2.9 28
Show 10222-4226 TDS7225 271 0.5 30
Show 10260-4215 TDS7268 237 0.8 36
Show 10208-4252 DON 408 180 8.3 39
Show 10273-4303 TDS 590 234 0.7 40
Show 10248-4323 TDS7254 94 0.6 40
Show 10243-4325 DAM2348 332 3.7 41
Show 10256-4325 DAM2362 153 3.5 44
Show 10230-4202 TDS7234 76 0.8 45
Show 10264-4324 I 1200 142 3.1 47
Show 10256-4159 TDS7262 152 2.5 49
Show 10195-4242 TDS7182 131 2.0 52
Show 10247-4153 DAM2352 5 6.0 53
Show 10254-4339 TDS7259 211 2.9 56
Show 10292-4234 TDS7293 229 0.4 57
Show 10236-4340 DON 409 50 1.0 57
Show 10235-4341 TDS7239 267 0.5 58
Show 10201-4206 DAM2322 227 1.5 60
Show 10201-4327 TDS7190 202 0.5 63
Show 10186-4244 TDS7171 234 0.4 63
Show 10296-4303 HDS1508 314 0.3 63
Show 10199-4205 TDS7187 318 1.3 63
Show 10253-4347 DAM2360 154 3.8 64
Show 10201-4159 DAM2321 253 1.3 64
Show 10215-4147 TDS7211 Aa,Ab 19 0.4 65
Show 10215-4147 RST1505 AB 257 1.9 65
Show 10199-4200 DAM2318 86 1.3 66
Show 10301-4241 DON 413 172 2.4 66
Show 10182-4226 RST1498 150 1.9 70
Show 10305-4245 DAM2396 287 1.2 70
Show 10305-4246 DAM2397 229 11.7 70
Show 10254-4136 TDS7258 100 1.4 70
Show 10181-4220 DAM2269 324 5.5 72
Show 10199-4148 TSN 155 Ba,Bb 146 0.2 74
Show 10240-4130 WG 132 223 5.0 74
Show 10231-4132 SKF1469 156 42.4 74
Show 10199-4148 LDS 302 AB 120 30.9 74
Show 10311-4243 B 2713 BC 351 2.4 76
Show 10311-4243 B 2713 A,BC 209 34.9 76
Show 10298-4157 TDS7299 96 2.3 78
Show 10171-4241 SWR 88 128 24.9 79
Show 10286-4140 TDS7289 231 0.5 81
Show 10205-4355 TDS7197 AB 236 0.5 82
Show 10205-4355 DAM2326 AB,C 68 415.5 82
Show 10189-4341 TDS7177 351 0.6 82
Show 10312-4214 DUN 86 BC 76 42.6 83
Show 10287-4139 KPP2628 186 24.3 83

 
 
WDS 10242-4245 : COMPONENTS
 
 
  A
B pa=230.0°
sep=10.67"
 
 
10242-4245 A
 
 
Componente originario normalizzato AB Name HD 90257 Coord arcsec 2000 102413.06-424438.8 Mag 8.15
Spectral class A2/3V (white) PmRA -12.00 PmDE 4.0 SAO 222026
Tycho2 7717-01973-1 HD 90257 GC 14295 DM CD-42 6197
Tycho2
Tycho2 7717-01973-1 Pflag RAmdeg 156.05441342 DEmdeg -42.74409826
PmRA -15.4 PmDE 4.2 E RAmdeg 5 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.01 EpDEm 1991.36
Num 11 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 8.298 E BTmag 0.015 VTmag 8.155
E VTmag 0.011 Prox 131 TYC T HIP
CCDM RAdeg 156.05446250 DEdeg -42.74410778 EpRA 1990 1.63
EpDE 1990 1.76 E RAdeg 4.6 E DEdeg 4.2 Posflg
Corr -0.3
SAO
SAO 222026 DelFlag RA1950 PmRA1950 -0.0037
DE1950 PmDE1950 -0.015 Vmag 8.3 SpType A0
Double code Source 70 CatNum 14295 DM CD-42 6197
DMcomp BDsup HD 90257 M HD 1
GC 14295 RA1950rad 2.71431334 DE1950rad -0.74159826 PmRA2000 -0.0032
PmDE2000 -0.012
CCDM
Ccdm 10242-4245 RComp Comp A Note1
Note2 Discov num DRAs 1.02 DDEs 20.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp A0 PmNote *
PmRA -23 PmDE -5 Dm number -42 6197 Cat1 CD
Name2 222026 Cat2 SAO HD 90257 M HD
ADS BDS M ADS BDS N IDS IDS 10199S4214A
HIC
 
 
10242-4245 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 102412.32-424445.7 Mag 10.42 PmRA -13.00
PmDE 5.0 Calc delta mag 2.27 Calc coord yes
CCDM
Ccdm 10242-4245 RComp Comp B Note1
Note2 Discov num HJ 4316 DRAs DDEs
R dRAs Year 1898 Theta 237 Rho 13.3
Obs 2 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 10199S4214B
HIC