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Sziasztok!
Az ATEL 5030. sz=E1m=E1ban Balanutsa (Balanuca?) =E9s munkat=E1rsai (Denisz=
enk=F3
stb.) egy =FAj RCB csillag felfedez=E9s=E9r=F5l sz=E1molnak be:
*MASTER OT J011613.54+640832.0 - new R CrB variable*
MASTER-Amur auto-detection system discovered OT source at (RA, Dec) =3D 01h
16m 13.54s +64d 08m 32.0s on 2013-04-26.69067 UT. The OT unfiltered
magnitude is 14.1m (limit 16.9m). The OT is seen in 2 images. We have
reference image without OT on 2012-04-18.558 UT with unfiltered m_lim=3D16.=
2.
The object is identical to IRAS 01129+6352 =3D 2MASS 01161363+6408319
(J=3D11.79+/-0.02, H=3D9.16+/-0.02, K=3D7.01+/-0.02). It is included in the
Catalogue enriched with R CrB stars (Tisserand, 2012) based on near-IR
(2MASS) and mid-infrared (WISE) characteristics. However, no variability
was mentioned before.
The star is present in USNO-B catalog as USNO-B1.0 1541-0038015 (RA=3D01 16
13.593, Dec=3D+64 08 32.12, R1=3D18.30, R2=3D17.14, I=3D15.56). Color-combi=
ned DSS
finder chart is uploaded
tohttp://master.sai.msu.ru/static/OT/J011613+640832-BRIR5x5.jpg (5´x5´
FOV). The object was at low state during Palomar survey showing little
variability between POSS-I and POSS-II plates.
On the other hand, the object was likely at a high state in 1999-2000
during NSVS (ROTSE-I) observations. The light curve of NSVS
1689547
has
the variable nearly constant with median ROTSE Mag 13.407, Mag Scatter
0.095 and Median Error 0.074. Such a behavior is consistent with R CrB
nature of this object, as suggested by Tisserand.
Follow up photometry and spectroscopy are encouraged. The discovery and
reference images are available
at:http://master.sai.msu.ru/static/OT/011613.54640832.0.png
* * *
K=E9s=F5bb majd megpr=F3b=E1lok t=E9rk=E9pet gy=E1rtani a csillaghoz, de m=
ost rohanok
haza.
=FCdv:
Fidusz
--047d7b4722a4f2a87d04db96a081
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Sziasztok!
Az ATEL 5030. sz=E1m=E1ban Ba=
lanutsa (Balanuca?) =E9s munkat=E1rsai (Deniszenk=F3 stb.) egy =FAj RCB csi=
llag felfedez=E9s=E9r=F5l sz=E1molnak be:
=20
MASTER OT J011613.54+640832.0 - new R CrB variable=20
=20
MASTER-Amur auto-detection system discovered OT source at (RA, Dec) =3D=20
01h 16m 13.54s +64d 08m 32.0s on 2013-04-26.69067 UT. The OT unfiltered=20
magnitude is 14.1m (limit 16.9m). The OT is seen in 2 images. We have=20
reference image without OT on 2012-04-18.558 UT with unfiltered=20
m_lim=3D16.2.=20
=20
The object is identical to IRAS 01129+6352 =3D 2MASS 01161363+6408319=20
(J=3D11.79+/-0.02, H=3D9.16+/-0.02, K=3D7.01+/-0.02). It is included in the=
=20
Catalogue enriched with R CrB stars (Tisserand, 2012) based on near-IR=20
(2MASS) and mid-infrared (WISE) characteristics. However, no variability
was mentioned before.=20
=20
The star is present in USNO-B catalog as USNO-B1.0 1541-0038015 (RA=3D01 16=
13.593, Dec=3D+64 08 32.12,=20
R1=3D18.30, R2=3D17.14, I=3D15.56). Color-combined DSS finder chart is uplo=
aded to
.jpg"> http://master.sai.msu.ru/static/OT/J011613+640832-BRIR5x5.jpg =
(5'x5' FOV). The object was at low state during Palomar survey show=
ing little variability between POSS-I and POSS-II plates.=20
=20
On the other hand, the object was likely at a high state in 1999-2000 durin=
g NSVS (ROTSE-I) observations. The light curve of
lanl.gov/nsvs/star.php?num=3D1689547&mask=3D32004">NSVS 1689547
has the variable nearly constant with median ROTSE Mag 13.407, Mag=20
Scatter 0.095 and Median Error 0.074. Such a behavior is consistent with
R CrB nature of this object, as suggested by Tisserand.=20
=20
Follow up photometry and spectroscopy are encouraged. The discovery and ref=
erence images are available at:
T/011613.54640832.0.png"> http://master.sai.msu.ru/static/OT/011613.5464083=
2.0.png=A0
* * *
K=E9s=F5bb majd megpr=F3b=E1lok t=E9rk=E9pet gy=E1rtani a cs=
illaghoz, de=A0 most rohanok haza.
=FCdv:
>Fidusz
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