00187+1559 STF  25AB

 
 
00h 18m 42.80s +15 59' 26.5" P.A. 196.00 sep 1.0 mag 9.31,9.55 Sp F5 dist. 167.5 pc (546.38 l.y.)
 
 
Coord 2000
00187+1559
Discov num
STF  25
Comp
AB
Coord arcsec 2000
00 18 42.80 +15 59 26.5
Date first
1831
Date last
2016
Obs
62
Pa first
193
Pa last
196
P.A. Now (θ)
196°
Sep first
1.7
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
9.31
Mag sec
9.55
delta mag (ΔM)
0.24
Spectral class
F5 (yellow-white)
Pri motion ra
+031
Sec motion ra
+031
Pri motion dec
-030
Sec motion dec
-030
Notes
Nature of this double is uncertain.
 
 
00187+1559 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 91839 00 18 43 +15 59 26 STF 25 AB 2016 62 196 1.0 9.31 9.55 0.24 <===
Show 91839 00 18 43 +15 59 26 STF 25 AB,C 2000 6 202 171.5 8.97 13.17 4.20
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195.7
Precise sep
1.049
Constellation
Hydra
SAO
91839
HIP
1503
Tycho2
1179-00068-1
Gaia DR2
2792641032108486016
HD
1450
BD
BD+15 43
Distance
167.5
Distance ly
546.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00187+1559 STF 25 AB 2005 58 196 1.1 9.31 9.55 F5 D 001842.80+155926.5
00187+1559 STF 25 AB 2013 59 192 1.0 9.31 9.55 F5 001842.80+155926.5
00187+1559 STF 25 AB 2016 59 196 1.0 9.31 9.55 F5 001842.80+155926.5

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WDS 00187+1559 STF 25AB : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 

 
 
WDS 00187+1559 STF 25AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00187+1559 STF 25AB : MEASURES
 
 
No records found.

 
 
WDS 00187+1559 STF 25AB : Virtual Eyepiece
 
 

00187+1559 STF  25A mag 9.31 Sp F5 00187+1559 STF  25B sep 1.1 P.A. 195.10 mag 9.55 00187+1559 STF  25C sep 170.6 P.A. 201.30 mag 13.17 virtual eyepiece
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Radius:
 
 
WDS 00187+1559 STF 25AB : Aladin DSS image @ 00h 18m 42.80s +15 59' 26.5"