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Doubles in session


Current system
04528-2521
B 75 BC


Nearby doubles
13' : 04522-2512
BRT2857

17' : 04535-2509
HJ 3702

26' : 04527-2546
TOK 662AB

46' : 04553-2551
KPP3588AB

61' : 04550-2614
KPP 114

62' : 04507-2427
BRT2855

65' : 04563-2604
TVB 83

67' : 04538-2626
HDS 631

68' : 04519-2414
UC 1226

80' : 04585-2502
B 76

84' : 04551-2639
TDS3007

85' : 04526-2646
LDS3625AB

94' : 04596-2513
TDS3030

97' : 04462-2558
SPM 12

99' : 04468-2618
VIG 6AB

107' : 04575-2358
LDS3630

107' : 04562-2657
SWR 8

117' : 04547-2715
KPP2831

118' : 04505-2328
BRT1377

120' : 05011-2601
RST 119

127' : 04474-2706
TDS2966

130' : 05001-2359
KPP2708

133' : 04430-2507
TDS2943

135' : 04428-2525
TDS2941

139' : 04461-2707
TDS2961

140' : 04432-2430
HU 1374



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.

04528-2521 B 75 BC

 
 
04h 52m 44.55s -25° 21' 18.4" P.A. 139.00 sep 4.0 mag 11.60,13.10
 
 
Coord 2000 04528-2521 Discov num B    75 Comp BC Coord arcsec 2000 04 52 44.55 -25 21 18.4
Date first 1925 Date last 2021 Obs 6
Pa first 138 Pa last 139.1 P.A. Now (θ) 139.1°
Sep first 4.0 Sep last 4.028 Sep. Now (ρ) 4.028"
Mag pri 11.60 Mag sec 13.10 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -025 Sec motion ra +050
Pri motion dec +029 Sec motion dec -058
Notes
rPM=1.5
This double is not physical.
 
 
04528-2521 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 31199 169838 04 52 50 -25 21 05 B 75 AB 2021 9 259 70.5 9.19 12.03 2.84
Show 04 52 45 -25 21 18 B 75 BC 2021 6 139 4.0 11.60 13.10 1.50 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus Gaia DR2 4881795038501447296
 
 
WDS 04528-2521 B 75 BC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
04528-2521 B 75 BC 1998 3 139 4.0 11.60 13.10 D 045244.55-252118.4
04528-2521 B 75 BC 1999 4 139 4.0 11.60 13.10 D 045244.55-252118.4
04528-2521 B 75 BC 2015 5 139 4.0 11.60 13.10 045244.55-252118.4
04528-2521 B 75 BC 2021 6 139 4.0 11.60 13.10 045244.55-252118.4

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

 
 
WDS 04528-2521 B 75 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04528-2521 B 75 BC : MEASURES
 
 
No records found.

 
 
WDS 04528-2521 : VIRTUAL EYEPIECE
 
 

04528-2521 B 75A mag 9.19 Sp K2/3III 04528-2521 B 75B sep 69.9 P.A. 258.70 mag 11.6 04528-2521 B 75C sep 68.0 P.A. 255.80 mag 13.1 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 04528-2521 : ALADIN DSS IMAGE @ 04h 52m 44.55s -25° 21' 18.4"
 
 
 
 
WDS 04528-2521 B 75 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04528-2521 B 75BC distance=0' 04528-2521 B 75AB distance=2' 04522-2512 BRT2857 distance=13' 04535-2509 HJ 3702 distance=17' 04527-2546 TOK 662AB distance=26' 04553-2551 KPP3588AB distance=46' 04550-2614 KPP 114 distance=61' 04507-2427 BRT2855 distance=62' 04563-2604 TVB 83 distance=65' 04538-2626 HDS 631 distance=67' 04519-2414 UC 1226 distance=68' 04585-2502 B 76 distance=80' 04551-2639 TDS3007 distance=84' 04526-2646 LDS3625AB distance=85' 04596-2513 TDS3030 distance=94' 04462-2558 SPM 12 distance=97' 04468-2618 VIG 6AB distance=99' 04575-2358 LDS3630 distance=107' 04562-2657 SWR 8 distance=107' 04547-2715 KPP2831 distance=117' 04505-2328 BRT1377 distance=118' 05011-2601 RST 119 distance=120' 04474-2706 TDS2966 distance=127' 05001-2359 KPP2708 distance=130' 04511-2731 TOK 88CF distance=132' 04430-2507 TDS2943 distance=133' 04428-2525 TDS2941 distance=135' 04461-2707 TDS2961 distance=139' 04432-2430 HU 1374 distance=140' 05011-2357 SPM 15 distance=142' 05013-2646 B 77 distance=144' 04439-2646 TDS2951 distance=147' 05013-2342 SEE 44 distance=154' 04574-2300 NSC 21 distance=155' 04530-2758 BRT2858 distance=158' 04463-2309 TDS2962 distance=159' 05019-2342 DAW 186AB distance=160' 05019-2342 DAW 186AC distance=160' 04453-2726 LDS3615 distance=160' 05025-2352 TDS3048 distance=160' 04427-2647 TDS2940 distance=160' 04472-2744 LDS5607 distance=163' 05039-2423 DRS 71AC distance=163' 05024-2346 HU 1385 distance=163' 04474-2750 LDS 129 distance=166' 04591-2745 WIS 111 distance=167' 04585-2749 RST 117 distance=168' 05033-2354 BRT2859 distance=169' 04580-2248 I 473 distance=170' 04466-2247 OL 3 distance=177' 05045-2402 LDS3638 distance=179' 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 04528-2521 B 75 BC 139 4.0 0
Show 04528-2521 B 75 AB 259 70.5 2
Show 04522-2512 BRT2857 84 5.6 13
Show 04535-2509 HJ 3702 232 15.1 17
Show 04527-2546 TOK 662 AB 186 796.1 26
Show 04553-2551 KPP3588 AB 296 7.8 46
Show 04550-2614 KPP 114 176 3.9 61
Show 04507-2427 BRT2855 10 3.2 62
Show 04563-2604 TVB 83 222 25.3 65
Show 04538-2626 HDS 631 129 17.5 67
Show 04519-2414 UC 1226 238 12.7 68
Show 04585-2502 B 76 236 1.1 80
Show 04551-2639 TDS3007 319 0.5 84
Show 04526-2646 LDS3625 AB 188 52.4 85
Show 04596-2513 TDS3030 87 0.9 94
Show 04462-2558 SPM 12 208 55.1 97
Show 04468-2618 VIG 6 AB 149 12.1 99
Show 04575-2358 LDS3630 291 3.0 107
Show 04562-2657 SWR 8 78 12.5 107
Show 04547-2715 KPP2831 275 13.5 117
Show 04505-2328 BRT1377 93 5.1 118
Show 05011-2601 RST 119 221 2.0 120
Show 04474-2706 TDS2966 145 0.6 127
Show 05001-2359 KPP2708 215 1.3 130
Show 04511-2731 TOK 88 CF 270 7.0 132
Show 04430-2507 TDS2943 318 0.5 133
Show 04428-2525 TDS2941 22 1.0 135
Show 04461-2707 TDS2961 135 0.5 139
Show 04432-2430 HU 1374 262 0.5 140
Show 05011-2357 SPM 15 345 15.5 142
Show 05013-2646 B 77 145 0.6 144
Show 04439-2646 TDS2951 352 0.6 147
Show 05013-2342 SEE 44 158 0.5 154
Show 04574-2300 NSC 21 317 17.0 155
Show 04530-2758 BRT2858 225 8.5 158
Show 04463-2309 TDS2962 26 1.7 159
Show 05019-2342 DAW 186 AB 73 3.7 160
Show 05019-2342 DAW 186 AC 129 13.4 160
Show 04453-2726 LDS3615 243 48.8 160
Show 05025-2352 TDS3048 144 0.5 160
Show 04427-2647 TDS2940 183 0.8 160
Show 04472-2744 LDS5607 8 183.9 163
Show 05039-2423 DRS 71 AC 217 0.5 163
Show 05024-2346 HU 1385 315 0.9 163
Show 04474-2750 LDS 129 133 8.8 166
Show 04591-2745 WIS 111 179 606.3 167
Show 04585-2749 RST 117 250 2.1 168
Show 05033-2354 BRT2859 19 4.0 169
Show 04580-2248 I 473 243 0.9 170
Show 04466-2247 OL 3 52 1.7 177
Show 05045-2402 LDS3638 245 84.6 179

 
 
WDS 04528-2521 : COMPONENTS
 
 
  A B
B pa=258.7°
sep=69.94"
 
C pa=255.8°
sep=68.04"
pa=139.1°
sep=4.03"
 
 
04528-2521 A
 
 
Name HD 31199 Coord arcsec 2000 045249.61-252104.7 Mag 9.19 Spectral class K2/3III (yellow-orange)
PmRA 14.00 PmDE 6.0 SAO 169838 HIP 22700
Tycho2 6469-00094-1 HD 31199 CD CD-25 2097
Tycho2
Tycho2 6469-00094-1 Pflag RAmdeg 73.20675562 DEmdeg -25.35128651
PmRA 18.4 PmDE 5.9 E RAmdeg 7 E DEmdeg 6
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.63 EpDEm 1991.13
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.2 BTmag 10.129 E BTmag 0.021 VTmag 8.581
E VTmag 0.011 Prox 999 TYC T HIP 22700
CCDM RAdeg 73.20670778 DEdeg -25.35130000 EpRA 1990 1.65
EpDE 1990 1.81 E RAdeg 7.2 E DEdeg 5.6 Posflg
Corr 0.1
SAO
SAO 169838 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0 Vmag 8.1 SpType K2
Double code Source 25 CatNum 2335 DM CD-25 2097
DMcomp BDsup HD 31199 M HD 0
GC RA1950rad 1.26871844 DE1950rad -0.44389045 PmRA2000 0.0014
PmDE2000 -0.001
Hipparcos
Catalog H HIP 22700 Proxy RAhms 04 52 49.61
DEdms -25 21 04.7 Vmag 8.45 VarFlag R Vmag H
RAdeg 73.2067 DEdeg -25.3513 AstroRef Plx 2.1
CCDM 16.19 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 31199 BD
CD CD-25 2097 CP Dm number -25 2097 VIred 1.36
SpType K2/K3III R SpType Coord arcsec 2000 045249.61-252104.7
Hipparcos 2
HIP 22700 Sn 5 So 0 Nc 1
RArad 1.2776980326 DErad -0.4424636517 Plx 0.68 PmRA 16.95
PmDE 5.25 E RArad 0.4 E DErad 0.79 E Plx 1.01
E pmRA 0.51 E pmDE 0.95 Hpmag E Hpmag 0.0017
SHp 0.022 VA 0 BV 1.274 E BV 0.015
VI 1.23
CCDM
Ccdm 04528-2521 RComp Comp A Note1
Note2 Discov num DRAs 1.61 DDEs -4.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.6 Sp K2 PmNote *
PmRA 14 PmDE 0 Dm number -25 2097 Cat1 CD
Name2 169838 Cat2 SAO HD 31199 M HD
ADS BDS A 3507 M ADS BDS N IDS IDS 04487S2531A
HIC 22700
 
 
04528-2521 B
 
 
Coord arcsec 2000 045244.55-252118.4 Coord calc 045244.55-252118.4 Mag 11.6 PmRA -25.00
PmDE 29.0 Delta magnitude 2.41
CCDM
Ccdm 04528-2521 RComp Comp B Note1
Note2 Discov num B 75 DRAs DDEs
R dRAs Year 1925 Theta 257 Rho 68.5
Obs 1 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3507 M ADS BDS N IDS IDS 04487S2531B
HIC
 
 
04528-2521 C
 
 
Coord arcsec 2000 045244.74-252121.4 Mag 13.1 PmRA 50.00 PmDE -58.0
Delta magnitude 3.91 Coordinate calculated yes
CCDM
Ccdm 04528-2521 RComp B Comp C Note1
Note2 Discov num B 75 DRAs DDEs
R dRAs Year 1925 Theta 138 Rho 4.0
Obs 1 Vmag 13.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3507 M ADS BDS N IDS IDS 04487S2531C
HIC