A photometric study of an ew-Type binary system: GV Leo
A photometric study of a contact binary system, GV Leo is presented. New observationswere done using the BVR filter bands.We find that a revised orbital period is 0.26673171d and the orbital period of this system is decreasing at a rate of dP/dt = -4.95 × 10 -7 d yr -1 . The photometric solutions a...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Journal |
| Published: |
2018
|
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84887694261&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/47529 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Institution: | Chiang Mai University |
| id |
th-cmuir.6653943832-47529 |
|---|---|
| record_format |
dspace |
| spelling |
th-cmuir.6653943832-475292018-04-25T08:41:02Z A photometric study of an ew-Type binary system: GV Leo Wichean Kriwattanawong Panomporn Poojon A photometric study of a contact binary system, GV Leo is presented. New observationswere done using the BVR filter bands.We find that a revised orbital period is 0.26673171d and the orbital period of this system is decreasing at a rate of dP/dt = -4.95 × 10 -7 d yr -1 . The photometric solutions are fairly well fitted at a mass ratio of q = 0.1879, with a fillout factor of f = 17.74%. The results indicate that there exists mass transfer from the moremassive component to the less massive one at a rate of relative mass exchange, ṁ 1 /m = -1.09×10 -7 yr -1 . It is possible that this weakcontact system, that shows a decreasing orbital period, may undergo contraction of the inner and outer critical Roche lobes and evolve into a deep-contact binary. 2018-04-25T08:41:02Z 2018-04-25T08:41:02Z 2013-11-01 Journal 16744527 2-s2.0-84887694261 10.1088/1674-4527/13/11/004 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84887694261&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/47529 |
| institution |
Chiang Mai University |
| building |
Chiang Mai University Library |
| country |
Thailand |
| collection |
CMU Intellectual Repository |
| description |
A photometric study of a contact binary system, GV Leo is presented. New observationswere done using the BVR filter bands.We find that a revised orbital period is 0.26673171d and the orbital period of this system is decreasing at a rate of dP/dt = -4.95 × 10 -7 d yr -1 . The photometric solutions are fairly well fitted at a mass ratio of q = 0.1879, with a fillout factor of f = 17.74%. The results indicate that there exists mass transfer from the moremassive component to the less massive one at a rate of relative mass exchange, ṁ 1 /m = -1.09×10 -7 yr -1 . It is possible that this weakcontact system, that shows a decreasing orbital period, may undergo contraction of the inner and outer critical Roche lobes and evolve into a deep-contact binary. |
| format |
Journal |
| author |
Wichean Kriwattanawong Panomporn Poojon |
| spellingShingle |
Wichean Kriwattanawong Panomporn Poojon A photometric study of an ew-Type binary system: GV Leo |
| author_facet |
Wichean Kriwattanawong Panomporn Poojon |
| author_sort |
Wichean Kriwattanawong |
| title |
A photometric study of an ew-Type binary system: GV Leo |
| title_short |
A photometric study of an ew-Type binary system: GV Leo |
| title_full |
A photometric study of an ew-Type binary system: GV Leo |
| title_fullStr |
A photometric study of an ew-Type binary system: GV Leo |
| title_full_unstemmed |
A photometric study of an ew-Type binary system: GV Leo |
| title_sort |
photometric study of an ew-type binary system: gv leo |
| publishDate |
2018 |
| url |
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84887694261&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/47529 |
| _version_ |
1681423078071992320 |