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 |
|
|
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 |
If you need more information about this double, apply for a
data request form to the WDS.
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
|
Radius:
|
WDS 12409+0850 STF1668 : Aladin DSS image @ 12h 40m 54.13s +08° 49' 45.2"