12409+0850 STF1668

 
 
12h 40m 54.13s +08 49' 45.2" P.A. 187.00 sep 1.1 mag 7.78,8.10 Sp F5V dist. 121.07 pc (394.93 l.y.)
 
 
Coord 2000
12409+0850
Discov num
STF1668
Comp
Coord arcsec 2000
12 40 54.13 +08 49 45.2
Date first
1830
Date last
2017
Obs
87
Pa first
197
Pa last
187
P.A. Now (θ)
187°
Sep first
1.7
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
7.78
Mag sec
8.10
delta mag (ΔM)
0.32
Spectral class
F5V (yellow-white)
Pri motion ra
-013
Sec motion ra
-013
Pri motion dec
-030
Sec motion dec
-030
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.8
Precise sep
1.129
Constellation
Virgo
HIP
61889
Tycho2
0875-00535-1
Gaia DR2
89151354368
HD
110280
BD
BD+09 2658
Distance
121.07
Distance ly
394.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12409+0850 STF1668 2006 97 186 1.1 7.78 8.10 F5V D 124054.13+084945.2
12409+0850 STF1668 2009 99 187 1.1 7.78 8.10 F5V N D 124054.13+084945.2
12409+0850 STF1668 2017 86 187 1.1 7.78 8.10 F5V N 124054.13+084945.2

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WDS 12409+0850 STF1668 : NOTES
 
 
discov_num notes refcode
STF1668 H N 143. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
discov author
STF (F. Struve DD - Appendix list #1)
STF (F. Struve DD - Appendix list #2)
STF Struve, F.G.W.

 
 
WDS 12409+0850 STF1668 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12409+0850 STF1668 : MEASURES
 
 
No records found.

 
 
WDS 12409+0850 STF1668 : Virtual Eyepiece
 
 

12409+0850 A mag 7.78 Sp F5V 12409+0850 B sep 1.1 P.A. 186.70 mag 8.1 virtual eyepiece
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Radius:
 
 
WDS 12409+0850 STF1668 : Aladin DSS image @ 12h 40m 54.13s +08 49' 45.2"