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Latest Details
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| Name |
TT Nor |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
15 54 08.89 -54 16 08.3 |
| Proper motion |
| RA: -1.1 +/- 5.0 mas/y | Dec: -6.7 +/- 3.6 mas/y | Source: UCAC4 |
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| Galactic coord. |
327.971 -0.876 |
Other names
(Internal only)
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2CXO J155803.0-542431 |
2MASS J15580245-5424444 |
ASASSN-V J155802.32-542444.6 |
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GDS_J1558024-542444 |
GSC 08701-00383 |
Gaia DR3 5884699932561933696 |
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TIC 419489725 |
UCAC4 178-151171 |
USNO-A2.0 0300-25565551 |
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USNO-B1.0 0355-0538961 |
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| Variability type |
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EA/D |
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| Spectral type |
B9 |
| Mag. range |
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12.60 - 13.02 V |
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| Discoverer |
W. E. Kruytbosch |
| Epoch |
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| Outburst |
-- |
| Period |
37.3543 d |
| Rise/eclipse dur. |
22% (8.22 d) |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
Otero, Sebastian Alberto
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Extremely different eclipses. Eccentric system. Min II= 12.92 V at phase 0.441. Duration 2.4%. Assymetric eclipses. |
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(Not logged in) Add remark
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
Ge, Q. A.; et al., 2024, Evolution of the Local Spiral Structure Revealed
by OB-type Stars in Gaia DR3 |
2024AJ....168...25G |
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2 |
Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source |
2022yCat.1355....0G |
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3 |
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0 |
2017PASP..129j4502K |
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4 |
S.W. Dvorak, 2004, IBVS 5549 |
2004IBVS.5549....1D |
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Pojmanski, G., 2002, The All Sky Automated Survey |
2002AcA....52..397P |
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6 |
W.E.Kruytbosch, BAN 5, 219, 1930. |
1930BAN.....5..219K |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 11.15 | H = 10.83 | K = 10.68 | J - K = 0.47 |
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AllWISE
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W1 = 10.47 | W2 = 10.47 | W3 = 10.28 | W1 - W2 = 0.00 |
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APASS-DR9
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B = 13.38 | V = 12.68 | g' = 13.00 | r' = 12.47 | i' = 12.27 | B - V = 0.70 |
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Images
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Supporting Documents
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Revision History
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