08082+2106 COU 91 AB
08h 08m 13.18s +21° 06' 18.2" P.A. 144.00 sep 10.8 mag 9.62,11.20 Sp K7V+M3V dist. 16.64 pc (54.28 l.y.)
Coord 2000 |
08082+2106 |
|
Discov num |
COU 91 |
|
Comp |
AB |
|
Coord arcsec 2000 |
08 08 13.18 +21 06 18.2 |
|
Date first |
1893 |
|
Date last |
2020 |
|
Obs |
42 |
|
Pa first |
162 |
|
Pa last |
143.6 |
|
P.A. Now (θ) |
143.6° |
|
Sep first |
9.8 |
|
Sep last |
10.75 |
|
Sep. Now (ρ) |
10.75" |
|
Mag pri |
9.62 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
1.58 |
|
Spectral class |
K7V+M3V (yellow-orange/red) |
|
Pri motion ra |
-300 |
|
Sec motion ra |
-300 |
|
Pri motion dec |
-354 |
|
Sec motion dec |
-354 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
08082+2106 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
08 08 13 +21 06 18 |
COU 91 AB |
2020 |
42 |
144 |
10.8 |
9.62 |
11.20 |
1.58 |
|
<=== |
Show |
|
|
08 08 14 +21 06 09 |
CRC 55 Ba,Bb |
2021 |
6 |
12 |
1.0 |
9.50 |
9.50 |
0.00 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cancer |
|
HIP |
39826 |
|
Tycho2 |
1389-00170-1 |
|
GL |
NN 3481A |
|
BD |
BD+21 1764 |
|
Distance |
16.64 |
|
Distance ly |
54.28 |
|
WDS 08082+2106 COU 91 AB : NOTES
discov_num |
notes |
refcode |
COU 91 |
LDS 902. |
|
|
NLTT 18979/18980 |
Chm2004 |
REFERENCES
refcode |
metd |
author |
reference |
Chm2004 |
E - |
Chaname, J. & Gould, A. |
2004ApJ...601..289C |
Chm2004 |
|
ApJ 601, 289, 2004 |
|
Chm2004 |
|
(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early |
|
Chm2004 |
|
versions of 2MASS and UCAC, with date given only as "circa 2000". Measures |
|
Chm2004 |
|
identical to discovery observations - predominantly close pairs - were assumed |
|
Chm2004 |
|
not new observations, so not included in WDS. Similar concerns when primary and |
|
Chm2004 |
|
secondary magnitudes or proper motions were the same.) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
COU |
Couteau, P. |
240 |
CRC |
Cortes-Contreras, M., Caballero, J.A. & Montes, D. |
243 |
CRC |
Cortes-Contreras, M., Bejar, V.J.S., Caballero, J.A., Gauza, B., Montes, D., |
243 |
CRC |
Alonso-Floriano, F.J., Jeffers, S.V., Morales, J.C., Reiners, A., Ribas, I., |
243 |
CRC |
Schofer, P., Quirrenbach, A., Amado, P.J., Mundt, R. & Seifert, W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
08082+2106 |
COU 91 |
AB |
2016 |
33 |
145 |
10.6 |
9.62 |
11.20 |
K7V+M3V |
NV |
080813.18+210618.2 |
08082+2106 |
COU 91 |
AB |
2020 |
36 |
144 |
10.8 |
9.62 |
11.20 |
K7V+M3V |
NV |
080813.18+210618.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 08082+2106 COU 91 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 08082+2106 COU 91 AB : MEASURES
Records found: 1
WDS 08082+2106 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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WDS 08082+2106 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.