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Doubles in session


Current system
08444-1801
RST 2579
HD 74627


Nearby doubles
21' : 08457-1810
TDS6082

22' : 08457-1750
A 3066

38' : 08431-1833
LDS3811

49' : 08421-1726
HO 529

52' : 08481-1800
DAM1486

59' : 08485-1803
A 3067

60' : 08417-1715
RST3602

60' : 08438-1701
LDS 231

64' : 08399-1802
J 2061

65' : 08409-1720
A 3065

65' : 08489-1800
TDS6113

68' : 08442-1908
TDS6066

72' : 08474-1703
BU 586

73' : 08477-1856
J 2647

73' : 08397-1828
BRT1465

74' : 08476-1859
LDS 235

77' : 08497-1809
A 3069

83' : 08389-1825
TDS6007

84' : 08438-1923
GWP1071

87' : 08494-1711
POC 3

88' : 08413-1646
GWP1067

92' : 08495-1706
LDS3824

93' : 08380-1750
GWP1053

94' : 08381-1736
KPP1505

96' : 08476-1637
KPP2159

97' : 08417-1929
TDS6041



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.

08444-1801 RST 2579 (HD 74627)

 
 
08h 44m 24.68s -18° 00' 36.9" P.A. 49.00 sep 1.1 mag 8.58,11.82 Sp K2III dist. 1136.36 pc (3706.81 l.y.)
 
 
Coord 2000 08444-1801 Discov num RST2579 Comp Coord arcsec 2000 08 44 24.68 -18 00 36.9
Date first 1935 Date last 2016 Obs 6
Pa first 43 Pa last 49.2 P.A. Now (θ) 49.2°
Sep first 0.8 Sep last 1.071 Sep. Now (ρ) 1.071"
Mag pri 8.58 Mag sec 11.82 delta mag (ΔM) 3.24 Spectral class K2III (yellow-orange)
Pri motion ra -004 Sec motion ra -004
Pri motion dec +001 Sec motion dec +000
Notes
rPM=0.243 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74627 Constellation Hydra SAO 154594 HIP 42886
Tycho2 6016-01598-1 Gaia DR2 5705882954888960000 HD 74627 BD BD-17 2632
Distance 1136.36 Distance ly 3706.81
 
 
WDS 08444-1801 RST 2579 (HD 74627) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08444-1801 RST2579 1991 5 48 1.0 8.58 11.82 K2III 084424.68-180036.9
08444-1801 RST2579 2016 6 49 1.1 8.58 11.82 K2III 084424.68-180036.9

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

 
 
WDS 08444-1801 RST 2579 (HD 74627) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08444-1801 RST 2579 (HD 74627) : MEASURES
 
 
No records found.

 
 
WDS 08444-1801 (HD 74627) : VIRTUAL EYEPIECE
 
 

08444-1801 RST2579A mag 8.58 Sp K2III 08444-1801 RST2579B sep 1.0 P.A. 47.80 mag 11.82 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 08444-1801 (HD 74627) : ALADIN DSS IMAGE @ 08h 44m 24.68s -18° 00' 36.9"
 
 
 
 
WDS 08444-1801 RST 2579 (HD 74627) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08444-1801 RST2579 distance=0' 08457-1810 TDS6082 distance=21' 08457-1750 A 3066 distance=22' 08431-1833 LDS3811 distance=38' 08421-1726 HO 529 distance=49' 08481-1800 DAM1486 distance=52' 08485-1803 A 3067 distance=59' 08417-1715 RST3602 distance=60' 08438-1701 LDS 231 distance=60' 08399-1802 J 2061 distance=64' 08409-1720 A 3065 distance=65' 08489-1800 TDS6113 distance=65' 08442-1908 TDS6066 distance=68' 08474-1703 BU 586 distance=72' 08477-1856 J 2647 distance=73' 08397-1828 BRT1465 distance=73' 08476-1859 LDS 235 distance=74' 08497-1809 A 3069 distance=77' 08389-1825 TDS6007 distance=83' 08438-1923 GWP1071 distance=84' 08494-1711 POC 3 distance=87' 08413-1646 GWP1067 distance=88' 08495-1706 LDS3824 distance=92' 08380-1750 GWP1053 distance=93' 08381-1736 KPP1505 distance=94' 08476-1637 KPP2159 distance=96' 08417-1929 TDS6041 distance=97' 08414-1927 RSS 169 distance=97' 08442-1938 ARA 647 distance=98' 08484-1641 POC 2 distance=99' 08518-1827 TDS 497 distance=109' 08409-1619 ALD 38 distance=113' 08514-1859 NSN 339 distance=116' 08499-1928 GWP1089 distance=118' 08523-1837 GWP1095 distance=118' 08416-1953 RST4418 distance=120' 08366-1846 ARA 402 distance=120' 08461-2004 TDS6084 distance=126' 08408-1605 GWP1065 distance=127' 08412-1602 TOI 564 distance=128' 08417-1557 HJ 4124AB distance=130' 08523-1657 TDS 498 distance=130' 08387-1944 BU 207 distance=132' 08421-1552 GWP1068 distance=134' 08523-1913 GWP1096 distance=134' 08443-2016 I 813 distance=136' 08349-1759 TVB 196 distance=136' 08536-1722 TOK 666 distance=138' 08474-1548 HDS1272 distance=140' 08392-1602 A 3063AB distance=141' 08392-1602 A 3063AB,C distance=141' 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 08444-1801 RST2579 49 1.1
Show 08457-1810 TDS6082 164 2.1 21
Show 08457-1750 A 3066 50 0.4 22
Show 08431-1833 LDS3811 341 17.0 38
Show 08421-1726 HO 529 196 0.3 49
Show 08481-1800 DAM1486 275 1.0 52
Show 08485-1803 A 3067 39 1.7 59
Show 08417-1715 RST3602 173 0.9 60
Show 08438-1701 LDS 231 66 261.1 60
Show 08399-1802 J 2061 30 5.5 64
Show 08409-1720 A 3065 280 0.3 65
Show 08489-1800 TDS6113 124 0.6 65
Show 08442-1908 TDS6066 243 0.8 68
Show 08474-1703 BU 586 232 0.3 72
Show 08477-1856 J 2647 114 6.2 73
Show 08397-1828 BRT1465 149 3.6 73
Show 08476-1859 LDS 235 238 30.4 74
Show 08497-1809 A 3069 297 1.1 77
Show 08389-1825 TDS6007 102 0.7 83
Show 08438-1923 GWP1071 168 109.3 84
Show 08494-1711 POC 3 227 7.8 87
Show 08413-1646 GWP1067 293 561.3 88
Show 08495-1706 LDS3824 48 10.8 92
Show 08380-1750 GWP1053 303 39.0 93
Show 08381-1736 KPP1505 119 11.4 94
Show 08476-1637 KPP2159 20 17.7 96
Show 08417-1929 TDS6041 337 2.1 97
Show 08414-1927 RSS 169 264 9.6 97
Show 08442-1938 ARA 647 151 9.5 98
Show 08484-1641 POC 2 75 6.1 99
Show 08518-1827 TDS 497 218 2.0 109
Show 08409-1619 ALD 38 250 1.4 113
Show 08514-1859 NSN 339 242 3.9 116
Show 08499-1928 GWP1089 51 10.8 118
Show 08523-1837 GWP1095 298 35.5 118
Show 08416-1953 RST4418 139 0.5 120
Show 08366-1846 ARA 402 152 11.8 120
Show 08461-2004 TDS6084 308 1.0 126
Show 08408-1605 GWP1065 151 130.2 127
Show 08412-1602 TOI 564 74 0.7 128
Show 08417-1557 HJ 4124 AB 88 25.0 130
Show 08523-1657 TDS 498 349 1.9 130
Show 08387-1944 BU 207 102 4.4 132
Show 08421-1552 GWP1068 146 24.6 134
Show 08523-1913 GWP1096 205 103.9 134
Show 08443-2016 I 813 297 3.2 136
Show 08349-1759 TVB 196 158 17.3 136
Show 08536-1722 TOK 666 118 27.8 138
Show 08474-1548 HDS1272 94 0.5 140
Show 08392-1602 A 3063 AB 310 0.5 141
Show 08392-1602 A 3063 AB,C 236 12.6 141

 
 
WDS 08444-1801 : COMPONENTS
 
 
  A
B pa=47.8°
sep=1.04"
 
 
08444-1801 A
 
 
Componente originario normalizzato AB Name HD 74627 Coord arcsec 2000 084424.68-180036.9 Mag 8.58
Spectral class K2III (yellow-orange) PmRA -4.00 PmDE 1.0 SAO 154594
HIP 42886 Tycho2 6016-01598-1 HD 74627 BD BD-17 2632
Tycho2
Tycho2 6016-01598-1 Pflag RAmdeg 131.10284630 DEmdeg -18.01026353
PmRA -4.0 PmDE 0.9 E RAmdeg 9 E DEmdeg 10
E pmRA 1.2 E pmDE 1.3 EpRAm 1990.04 EpDEm 1989.21
Num 13 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 0.9 BTmag 10.179 E BTmag 0.030 VTmag 8.581
E VTmag 0.014 Prox 10 TYC T HIP 42886
CCDM A RAdeg 131.10285556 DEdeg -18.01026556 EpRA 1990 1.71
EpDE 1990 1.54 E RAdeg 8.6 E DEdeg 10.6 Posflg
Corr 0.0
SAO
SAO 154594 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.002 Vmag 8.4 SpType K2
Double code Source 21 CatNum 3531 DM BD-17 2632
DMcomp BDsup HD 74627 M HD 0
GC RA1950rad 2.27818334 DE1950rad -0.31116208 PmRA2000 -0.0003
PmDE2000 0.002
Hipparcos
Catalog H HIP 42886 Proxy H RAhms 08 44 24.69
DEdms -18 00 37.0 Vmag 8.4 VarFlag R Vmag H
RAdeg 131.103 DEdeg -18.0103 AstroRef A Plx -0.83
CCDM 08444-1801 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 48 Rho 1.041 HD 74627 BD BD-17 2632
CD CP Dm number -17 2632 VIred 1.25
SpType K2III R SpType Coord arcsec 2000 084424.69-180037.0
Hipparcos 2
HIP 42886 Sn 15 So 3 Nc 2
RArad 2.2881764882 DErad -0.3143384459 Plx 0.88 PmRA -2.4
PmDE 1.28 E RArad 0.84 E DErad 0.65 E Plx 0.93
E pmRA 1.26 E pmDE 0.69 Hpmag 8.5518 E Hpmag 0.0013
SHp 0.013 VA 0 BV 1.3 E BV 0.495
VI 1.25
CCDM
Ccdm 08444-1801 RComp Comp A Note1
Note2 Discov num DRAs 0.63 DDEs 23.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp K2 PmNote *
PmRA -10 PmDE -2 Dm number -17 2632 Cat1 BD
Name2 154594 Cat2 SAO HD 74627 M HD
ADS BDS M ADS BDS N IDS IDS 08398S1739A
HIC 42886
 
 
08444-1801 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084424.73-180036.2 Mag 11.82 PmRA -4.00
PmDE 0.0 Calc delta mag 3.24 Calc coord yes
CCDM
Ccdm 08444-1801 RComp Comp B Note1
Note2 Discov num RST2579 DRAs DDEs
R dRAs Year 1934 Theta 045 Rho 0.8
Obs 4 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08398S1739B
HIC 42886