ASTRONAUT JAMES A. LOVELL, JR. - MISC. - GT-7 RECOVERY · NASA · NASA — public domain
WASP-18
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WASP-18 is a magnitude 9 star located away in the Phoenix constellation of the Southern Hemisphere. It has a mass of 1.29 solar masses.
Astronomical data · SIMBAD
- Object type
- SB*
- Spectral type
- F6IV/V
- Distance
- 400 light-years
- Redshift
- z = 0.000013642864557628087
- Coordinates
- RA 24.3543° · Dec -45.6779°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Wikidata facts
- Instance of
- eclipsing binary star
- Constellation
- Phoenix
- Child body
- WASP-18b
- Distance from Earth
- 100
- Diameter
- 1600000
- Radius
- 1.23
- Mass
- 1.24
- Variable-star type
- eclipsing binary star
- Image
- WASP-18.jpg
Show 17 more facts
- spectral class
- F8
- catalog code
- TOI-185
- effective temperature
- 6400
- metallicity
- 0.385
- parallax
- 8.097
- surface gravity
- 19720
- radial velocity
- 4.2
- apparent magnitude
- 9.173881
- epoch
- J2000.0
- stellar rotational velocity
- 10.291
- luminosity
- 2.4144523
- right ascension component of proper motion
- 25.404
- declination component of proper motion
- 20.479
- right ascension
- 24.35430533279
- declination
- -45.67788186596
- Commons category
- WASP-18
- age estimated by a dating method
- 0.63
Sources (1)
via Wikidata · CC0
~2 min read
Encyclopedic overview
2 sectionsContents
- Planetary system
- References
WASP-18 is a magnitude 9 star located away in the Phoenix constellation of the Southern Hemisphere. It has a mass of 1.29 solar masses.
The star, although similar to the Sun in terms of overall contents of heavy elements, is depleted in carbon. The carbon to oxygen molar ratio of 0.23 for WASP-18 is well below the solar ratio of 0.55.
Excerpted from Wikipedia’s “WASP-18” article, available under the CC BY-SA 4.0 licence.