WDS 19371-5134 CRI 23 : NOTES
 
 
discov_num notes refcode
CRI 23 White dwarf / red drwarf pair.
The A component is SB2. Huelamo et al. (2009) find is also eclipsing. Hue2009
V magnitudes of Aa and Ab are 12.29 and 12.84, spectral types M1Ve and
M2:Ve, masses 0.59 +/- 0.03 and 0.54 +/- 0.03 Msun; distance to the
system is 42+/-3 pc. They also conclude AB pair is CPM and that the B
component is a pure-helium DB white dwarf, mass 0.648 Msun, distance
46pc. The age of the triple ~400 Myr.
 
 
REFERENCES
 
 
refcode metd author reference
Hue2009 Ao j Huelamo, N., Vaz, L.P.R., Torres, C.A.O., Bergeron, P. Melo, C.H.F., Quast, G.R., 2009A&A...503..873H
Hue2009 Barrado y Navascues, D., Sterzik, M.F. et al.
Hue2009 A&A 503, 873, 2009
 
 
DISCOVERER
 
 
idgroup discov author
1 CRI Crifo, F. (from Ccd2002 DD list)
1 HUE Huelamo, N., Vaz, L.P.R., Torres, C.A.O., Bergeron, P. Melo, C.H.F., Quast, G.R.,
1 HUE Barrado y Navascues, D., Sterzik, M.F. et al.
4 HUE Huelamo, N., Ivanov, V.D., Kurtev, R., Girard, J.H., Borissova, J., Mawet, D.,
4 HUE Muzic, K., Caceres, C., Melo, C.H.F., Sterzik, M.F., & Minniti, D.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19371-5134 CRI 23 2000 3 225 8.3 11.90 15.00 NTD 193708.70-513400.7
19371-5134 CRI 23 2008 5 224 8.6 11.90 15.00 M1 NTD 193708.70-513400.7
19371-5134 CRI 23 2015 9 225 8.6 11.90 15.00 M1 NT V 193708.70-513400.7
19371-5134 CRI 23 2016 11 225 8.6 11.90 15.00 M1 NT V 193708.70-513400.7

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