To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

How to transfigure the Wikipedia

Would you like Wikipedia to always look as professional and up-to-date? We have created a browser extension. It will enhance any encyclopedic page you visit with the magic of the WIKI 2 technology.

Try it — you can delete it anytime.

Install in 5 seconds
4,5
Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
Languages
Recent
Show all languages
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.
Great Wikipedia has got greater.
.
Leo
Newton
Brights
Milds

HD 76805

From Wikipedia, the free encyclopedia

HD 76805
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Vela
Right ascension 08h 56m 19.2615s[1]
Declination −52° 43′ 24.5059″[1]
Apparent magnitude (V) 4.70
Characteristics
Spectral type B5V + B9.5V[2]
Astrometry
A
Proper motion (μ) RA: −15.386±0.588[1] mas/yr
Dec.: 14.468±0.524[1] mas/yr
Parallax (π)8.5823 ± 0.3177 mas[1]
Distance380 ± 10 ly
(117 ± 4 pc)
B
Proper motion (μ) RA: −17.787±0.271[3] mas/yr
Dec.: 12.031±0.250[3] mas/yr
Parallax (π)8.1722 ± 0.1358 mas[3]
Distance399 ± 7 ly
(122 ± 2 pc)
Orbit
PrimaryAa
CompanionAb
Period (P)1.097654
Eccentricity (e)0
Semi-amplitude (K1)
(primary)		48.7 km/s
Semi-amplitude (K2)
(secondary)		92.8 km/s
Details
Aa
Mass4.14[4] M☉
Temperature16,000[2] K
Rotational velocity (v sin i)50[2] km/s
Ab
Mass0.59[4] M☉
Temperature9,500[2] K
B
Mass1.55[4] M☉
Temperature8,871[3] K
Other designations
H Vel, CPD−52 1788, HD 76805, HIP 43878, HR 3574, SAO 236417[5]
Database references
SIMBADdata

H Velorum is a triple star system in the constellation Vela, at a distance of approximately 390 light years.

A visual pair of stars with magnitudes 4.7 and 8.0 are separated by 2.7″. Their estimated orbital period is 646,000 years. The primary is a spectroscopic binary with two B-class main sequence stars in a 1.1-day orbit.[2]

YouTube Encyclopedic

  • 1/1
    Views:
    12 986
  • Bihar D EL Ed 2020-22|Bihar DELED College List||Bihar D El Ed Total Seat List|Bihar DELED Total Seat

Transcription

References

  1. ^ a b c d e Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ a b c d e Veramendi, M. E.; González, J. F. (2014). "Spectroscopic study of early-type multiple stellar systems". Astronomy and Astrophysics. 563. A138. Bibcode:2014A&A...563A.138V. doi:10.1051/0004-6361/201322840. hdl:11336/4892.
  3. ^ a b c d Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  4. ^ a b c "Multiple Star Catalog". Multiple Star Catalog. Retrieved 2019-10-06.[permanent dead link]
  5. ^ "HD 76805". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-10-06.


Stub icon

This main-sequence-star-related article is a stub. You can help Wikipedia by expanding it.

This page was last edited on 3 January 2024, at 01:50
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.
Contact WIKI 2
Introduction
Terms of Service
Privacy Policy