孫增二

Also known as HD 45813, Al Ḳurūd, HIP 30788, HIC 30788, HR 2361, λ Canis Majoris, λ CMa, ROT 1047

star in the constellation Canis Major

In the Vinony graph

Within Vinony's link graph, 孫增二 is referenced by 96 other articles, and connects out to year, Canis Major and solar mass.

It sits within the topics Bayer objects, Bright Star Catalogue objects and B-type main-sequence stars.

Its subject is documented across 9 Wikipedia language editions.

Astronomical data · SIMBAD

Object type: *
Spectral type: B4V
Distance: 440 light-years
Redshift: z = 0.00013677063213402008
Coordinates: RA 97.0425° · Dec -32.5801°

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via SIMBAD · CDS Strasbourg

Wikidata facts

Constellation: Canis Major
Distance from Earth: 120.9804
Radius: 2.56

Show 14 more facts

catalog code: UBV M 12151
spectral class: B5
apparent magnitude: 4.909
parallax: 8.03
right ascension: 97.04253113375
declination: -32.58006819111
effective temperature: 18800
stellar rotational velocity: 138
radial velocity: 40.0
epoch: J2000.0
luminosity: 560
absolute magnitude: -0.85
right ascension component of proper motion: -24
declination component of proper motion: 23

Sources (2)

via Wikidata · CC0

Article · 中文

孫增二（大犬座λ）是大犬座中一顆藍白色調的單獨恆星。孫增二的視星等是+4.48，在無光害的場所可以用裸眼看見。根據從地球觀察到的恆星視差7.70 ，它與太陽的距離為424光年。由於星際塵埃的消光，在這樣的距離上它的視亮度會降低0.14等。這是一顆恆星光譜為B4V的B型主序星。估計它的年齡是4,000萬年，恆星的投影旋轉速度為102公里/秒。它的質量是5.7太陽質量，亮度是太陽亮度的560倍，表面的有效溫度為16,300K。

Abstract from DBpedia / Wikipedia · CC BY-SA