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Doubles in session


Current system
04454-8038
HJ 3721
HD 31755


Nearby doubles
24' : 04547-8046
TSN 20

27' : 04350-8032
TDS2900

30' : 04540-8017
B 1478

39' : 04574-8104
TDS3018

51' : 04476-7948
I 474

57' : 04310-7956
TDS2877

71' : 04599-7938
TDS3034

80' : 04552-7923
HJ 3733

85' : 04507-8202
HDS 625

119' : 04364-8235
UC 1192

119' : 05028-8231
RST2373

127' : 04312-7838
I 472AB

144' : 04537-8301
RST2369

147' : 05002-7818
HJ 3741

151' : 04299-7815
RST2354

152' : 05047-7816
R 58

172' : 04368-7749
UC 1194

175' : 05016-7750
TDS3044

187' : 04519-7733
LDS 133

198' : 04585-8354
WIS 110

204' : 04354-8401
TDS2903

205' : 04593-8401
HDS 646

217' : 04497-8415
UC 1219

219' : 04491-7700
LDS 132

230' : 04349-7651
HJ 3691

246' : 05019-7638
RST2368



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.

04454-8038 HJ 3721 (HD 31755)

 
 
04h 45m 26.24s -80° 38' 28.9" P.A. 234.00 sep 3.4 mag 8.69,9.45 Sp F5IV/V dist. 154.56 pc (504.17 l.y.)
 
 
Coord 2000 04454-8038 Discov num HJ 3721 Comp Coord arcsec 2000 04 45 26.24 -80 38 28.9
Date first 1836 Date last 2016 Obs 12
Pa first 217 Pa last 233.7 P.A. Now (θ) 233.7°
Sep first 2.5 Sep last 3.412 Sep. Now (ρ) 3.412"
Mag pri 8.69 Mag sec 9.45 delta mag (ΔM) 0.76 Spectral class F5IV/V (yellow-white)
Pri motion ra +018 Sec motion ra +018
Pri motion dec +053 Sec motion dec +053
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 31755 Constellation Mensa SAO 258389 HIP 22101
Tycho2 9377-00856-1 Gaia DR2 4622459102076498048 HD 31755 CP CP-80 131
Distance 154.56 Distance ly 504.17
 
 
WDS 04454-8038 HJ 3721 (HD 31755) : 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
04454-8038 HJ 3721 1991 8 232 3.3 8.69 9.45 F5IV/V D 044526.24-803828.9
04454-8038 HJ 3721 1998 9 231 3.4 8.69 9.45 F5IV/V D 044526.24-803828.9
04454-8038 HJ 3721 2015 10 234 3.4 8.69 9.45 F5IV/V 044526.24-803828.9
04454-8038 HJ 3721 2016 12 234 3.4 8.69 9.45 F5IV/V 044526.24-803828.9

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

 
 
WDS 04454-8038 HJ 3721 (HD 31755) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04454-8038 HJ 3721 (HD 31755) : MEASURES
 
 
No records found.

 
 
WDS 04454-8038 (HD 31755) : VIRTUAL EYEPIECE
 
 

04454-8038 HJ 3721A mag 8.69 Sp F5IV/V 04454-8038 HJ 3721B sep 2.1 P.A. 192.50 mag 9.45 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 04454-8038 (HD 31755) : ALADIN DSS IMAGE @ 04h 45m 26.24s -80° 38' 28.9"
 
 
 
 
WDS 04454-8038 HJ 3721 (HD 31755) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04454-8038 HJ 3721 distance=1' 04547-8046 TSN 20 distance=24' 04350-8032 TDS2900 distance=27' 04540-8017 B 1478 distance=30' 04574-8104 TDS3018 distance=39' 04339-8004 KPP3578AC distance=45' 04476-7948 I 474 distance=51' 04310-7956 TDS2877 distance=57' 04599-7938 TDS3034 distance=71' 04552-7923 HJ 3733 distance=80' 04507-8202 HDS 625 distance=85' 04364-8235 UC 1192 distance=119' 05028-8231 RST2373 distance=119' 04312-7838 I 472AB distance=127' 04312-7838 I 472AB,C distance=127' 04537-8301 RST2369 distance=144' 05002-7818 HJ 3741 distance=147' 04299-7815 RST2354 distance=151' 05047-7816 R 58 distance=152' 04368-7749 UC 1194 distance=172' 05016-7750 TDS3044 distance=175' 04519-7733 LDS 133 distance=187' 04585-8354 WIS 110 distance=198' 04354-8401 TDS2903 distance=204' 04593-8401 HDS 646 distance=205' 04497-8415 UC 1219 distance=217' 04491-7700 LDS 132 distance=219' 04349-7651 HJ 3691 distance=230' 05019-7638 RST2368 distance=246' 05044-8458 UC 1260 distance=263' 04421-7615 RST2358 distance=264' 04422-8506 TDS2935 distance=268' 04306-7613 UC 1174AB distance=270' 04487-8511 RST2370 distance=273' 04374-7554 UC 1195 distance=286' 05036-8525 UC 1258 distance=289' 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 04454-8038 HJ 3721 234 3.4 1
Show 04547-8046 TSN 20 189 14.4 24
Show 04350-8032 TDS2900 16 0.8 27
Show 04540-8017 B 1478 333 0.9 30
Show 04574-8104 TDS3018 4 1.7 39
Show 04339-8004 KPP3578 AC 248 25.5 45
Show 04476-7948 I 474 89 0.6 51
Show 04310-7956 TDS2877 21 0.8 57
Show 04599-7938 TDS3034 66 2.0 71
Show 04552-7923 HJ 3733 116 19.6 80
Show 04507-8202 HDS 625 126 0.1 85
Show 04364-8235 UC 1192 339 109.0 119
Show 05028-8231 RST2373 211 1.3 119
Show 04312-7838 I 472 AB 266 1.3 127
Show 04312-7838 I 472 AB,C 79 18.3 127
Show 04537-8301 RST2369 274 1.0 144
Show 05002-7818 HJ 3741 110 50.2 147
Show 04299-7815 RST2354 160 1.1 151
Show 05047-7816 R 58 232 18.0 152
Show 04368-7749 UC 1194 224 63.2 172
Show 05016-7750 TDS3044 27 1.3 175
Show 04519-7733 LDS 133 127 19.9 187
Show 04585-8354 WIS 110 45 902.5 198
Show 04354-8401 TDS2903 193 0.7 204
Show 04593-8401 HDS 646 245 0.3 205
Show 04497-8415 UC 1219 124 5.7 217
Show 04491-7700 LDS 132 180 47.9 219
Show 04349-7651 HJ 3691 44 38.4 230
Show 05019-7638 RST2368 156 0.8 246
Show 05044-8458 UC 1260 29 5.5 263
Show 04421-7615 RST2358 180 4.3 264
Show 04422-8506 TDS2935 339 1.2 268
Show 04306-7613 UC 1174 AB 282 23.7 270
Show 04487-8511 RST2370 256 1.9 273
Show 04374-7554 UC 1195 65 130.2 286
Show 05036-8525 UC 1258 30 11.0 289

 
 
WDS 04454-8038 : COMPONENTS
 
 
  A
B pa=192.5°
sep=2.07"
 
 
04454-8038 A
 
 
Componente originario normalizzato AB Name HD 31755 Coord arcsec 2000 044526.24-803828.9 Mag 8.69
Spectral class F5IV/V (yellow-white) PmRA 18.00 PmDE 53.0 SAO 258389
HIP 22101 Tycho2 9377-00856-1 HD 31755 CP CP-80 131
Tycho2
Tycho2 9377-00856-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 9.120 E BTmag 0.018 VTmag 8.687
E VTmag 0.014 Prox 34 TYC T HIP 22101
CCDM A RAdeg 71.35932194 DEdeg -80.64136583 EpRA 1990 1.66
EpDE 1990 1.71 E RAdeg 8.0 E DEdeg 7.7 Posflg D
Corr 0.0
SAO
SAO 258389 DelFlag RA1950 PmRA1950 -0.0441
DE1950 PmDE1950 0.03 Vmag 8.8 SpType F2
Double code Source 61 CatNum 1087 DM CP-80 131
DMcomp BDsup HD 31755 M HD 0
GC RA1950rad 1.26213415 DE1950rad -1.40900131 PmRA2000 -0.0439
PmDE2000 0.03
Hipparcos
Catalog H HIP 22101 Proxy H RAhms 04 45 26.24
DEdms -80 38 28.9 Vmag 8.18 VarFlag R Vmag G
RAdeg 71.3593 DEdeg -80.6414 AstroRef A Plx 8.58
CCDM 04453-8039 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 232 Rho 3.342 HD 31755 BD
CD CP CP-80 131 Dm number -80 131 VIred 0.55
SpType F5IV/V R SpType Coord arcsec 2000 044526.24-803828.9
Hipparcos 2
HIP 22101 Sn 15 So 3 Nc 2
RArad 1.2454550278 DErad -1.4074574288 Plx 6.47 PmRA 19.8
PmDE 52.39 E RArad 1.37 E DErad 1.57 E Plx 1.46
E pmRA 1.83 E pmDE 1.85 Hpmag 8.2896 E Hpmag 0.0218
SHp 0.267 VA 0 BV 0.475 E BV 0.015
VI 0.55
 
 
04454-8038 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 044526.06-803830.9 Mag 9.45 PmRA 18.00
PmDE 53.0 Tycho2 9377-00856-2 Calc delta mag 0.76 Calc coord yes
Tycho2
Tycho2 9377-00856-2 Pflag RAmdeg 71.35482759 DEmdeg -80.64183789
PmRA 0.7 PmDE 45.5 E RAmdeg 15 E DEmdeg 14
E pmRA 1.8 E pmDE 1.8 EpRAm 1990.96 EpDEm 1991.05
Num 4 Q RAmdeg 1.5 Q DEmdeg 1.6 Q pmRA 1.5
Q pmDE 1.6 BTmag 9.984 E BTmag 0.027 VTmag 9.452
E VTmag 0.021 Prox 34 TYC T HIP 22101
CCDM B RAdeg 71.35481750 DEdeg -80.64194306 EpRA 1990 1.65
EpDE 1990 1.68 E RAdeg 14.6 E DEdeg 14.4 Posflg D
Corr 0.0