- of blue-white
subdwarfs,
making two
distinct categories: Cool
subdwarfs Hot
subdwarfs Like
ordinary main-sequence stars, cool
subdwarfs (of
spectral types G...
- images. The hot
subdwarfs are
proposed to be the
cause of the UV
upturn in the
light output of
elliptical galaxies. A
single B type
subdwarf at 1 M☉ is calculated...
- discovered. The
prefix sd, esd and usd
indicate subdwarfs,
extreme subdwarfs and
ultra subdwarfs.
Objects with an usd-prefix have the
lowest metallicity. The...
- A
subdwarf O star (sdO) is a type of hot, but low-m**** star. O-type
subdwarfs are much
dimmer than
regular O-type main-sequence stars, but with a brightness...
-
indicating low
surface gravity,
subdwarfs and
unresolved binaries. The
prefix sd
stands for
subdwarf and only
includes cool
subdwarfs. This
prefix indicates a...
- of low
surface gravity,
subdwarfs and
unresolved binaries. The
prefix sd
stands for
subdwarf and only
includes cool
subdwarfs. This
prefix indicates a...
-
classification system for T
subdwarfs,
which allows the
classification into mild
subdwarfs (d/sdT),
subdwarfs (sdT) and
extreme subdwarfs (esdT). The signature...
- 2024
discovered three additional T-type
subdwarfs and
introduced a new
classification system for T
subdwarfs. This
system classified WISE 1810 as a esdT3:...
- scheme, but many
CSPNe have O-type spectra. Even
these small low-m****
subdwarfs and
CSPNe have
luminosities several hundred to
several thousand times...
-
Early Late Main
sequence O B A F G K M
Subdwarf O B WR OB
Subgiant Giant Blue Red
Yellow Bright giant Supergiant Blue Red
Yellow Hypergiant Yellow Carbon...
