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

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WDS 08082+2106 COU 91 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08082+2106 COU 91 AB : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 15/04/15 g.locatelli mean difficulty 11.00 0.19 145.00 0.67 1.60 1 Unfiltered mag A 9.2 B 10.8
 
 
WDS 08082+2106 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 08082+2106 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.