2010A&A...513A..50B

Query : 2010A&A...513A..50B

2010A&A...513A..50B - Astronomy and Astrophysics, volume 513, A50-50 (2010/4-1)

The end of the white dwarf cooling sequence in M 67.

BELLINI A., BEDIN L.R., PIOTTO G., SALARIS M., ANDERSON J., BROCATO E., RAGAZZONI R., ORTOLANI S., BONANOS A.Z., PLATAIS I., GILLILAND R., RAIMONDO G., BRAGAGLIA A., TOSI M., GALLOZZI S., TESTA V., KOCHANEK C.S., GIALLONGO E., BARUFFOLO A., FARINATO J., DIOLAITI E., SPEZIALI R., CARRARO G. and YADAV R.K.S.

Abstract (from CDS):

In this paper, we present for the first time a proper-motion-selected white dwarf (WD) sample of the old Galactic open cluster M 67, down to the bottom of the WD cooling sequence (CS). The color-magnitude diagram is based on data collected with the LBC-Blue camera at the prime-focus of LBT. As first epoch data, we used CFHT-archive images collected 10 years before LBC data. We measured proper motions of all the identified sources. Proper motions are then used to separate foreground and background objects from the cluster stars, including WDs. Finally, the field-object cleaned WD CS in the V vs. B-I color-magnitude diagram is compared with the models. We confirm that the age derived from the location of the bottom of the WD CS is consistent with the turn off age.

Abstract Copyright: ∼

Journal keyword(s): white dwarfs - open clusters and associations: individual: NGC 2682 - Hertzsprung-Russell (HR) and C-M diagrams

Simbad objects: 2

Full paper

View the references in ADS

Number of rows : 2

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2024	#notes
1	NGC 2682	OpC	08 51 23.0	+11 48 50						~	2342	0
2	NGC 6791	OpC	19 20 53.0	+37 46 41		10.52	9.5			~	1040	0

To bookmark this query, right click on this link: simbad:objects in 2010A&A...513A..50B and select 'bookmark this link' or equivalent in the popup menu