The VELA star cloud. II - Early-type stars and long-period Cepheids near the VELA pulsar

Other

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

28

Cepheid Variables, Early Stars, Pulsars, H Beta Line, Radio Interferometers, Stellar Luminosity, Tables (Data)

Scientific paper

Intermediate band, H-beta and RI observations of some 200 stars and three Cepheids in a small region centered on the Vela pulsar have shown the presence of additional members of the Vela sheet (450 pc), as well as two more distant associations, Vel OB1 (800 pc) and Vel OB2 (1800 pc). Vel OB2, which may be only some 5-million yr old, probably contains SW (23.4 d), RZ (20.4 d), and SX (19.6 d) Vel. All three Cepheids have an overabundance of metals, relative to the sun, if the photometric indices are abundance dependent only. The luminosities of the three Cepheids, plus AH Vel in the Vela sheet and two other southern Cepheids discussed previously, all based on an independent photometric luminosity calibration, do not indicate a need for a major revision of the zero point of the period-luminosity relation.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

The VELA star cloud. II - Early-type stars and long-period Cepheids near the VELA pulsar does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The VELA star cloud. II - Early-type stars and long-period Cepheids near the VELA pulsar, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The VELA star cloud. II - Early-type stars and long-period Cepheids near the VELA pulsar will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1756512

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.