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Name
  ASASSN-25cd  
AAVSO UID
000-BQF-269 (444 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 31 52.79 -28 48 26.7  (277.96996 -28.80742) Search nearby
B1950.0 18 28 42.61 -28 50 38.8
Galactic coord. 4.998 -8.816
Other names

(Internal only)
2MASS J18315279-2848267 ASAS J183152-2848.5 GSC2.3 S9TW020155
Gaia DR3 4048495409401002368 UCAC4 306-245079 USNO-A2.0 0600-34580746
USNO-B1.0 0611-0773689    
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Variability type
EA/GS
Spectral type K
Mag. range
13.6 - 15.1 g
Discoverer ASAS-SN
Epoch
06 Jul 1952 (HJD 2434200): Ephemeris
Outburst --
Period 27400: d  (75.02 y)
Rise/eclipse dur. --
Remarks
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References
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1 B. JoHantgen; D. M. Rowan; K. Z. Stanek; et al., 2025, ATel #17211 2025ATel17211....1S
2 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2023A&A...674A..26C
3 Henden, A. A.; et al., 2018, AAVSO Photometric All Sky Survey (APASS) DR10 2018AAS...23222306H
4 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
5 Grindlay, J.; et al., 2012, Opening the 100-Year Window for Time-Domain
Astronomy
2012IAUS..285...29G
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Images
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Supporting Documents
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3 JD light curve Otero, Sebastian Alberto 2025-06-15 04:51 UTC Historical light curve with DASCH, ASAS-SN, APASS and AAVSO data.
2 Zoomed phase plot - Min I Otero, Sebastian Alberto 2025-06-15 04:50 UTC Zoomed phases plot showing the magnitudes in the different passbands (ASAS-SN, DASCH an AAVSO data).
1 Phase plot Otero, Sebastian Alberto 2025-06-15 04:49 UTC Phase plot with ASAS-SN, ASAS-3, DASCH and Hambsch data.
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Revision History
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2 Otero, Sebastian Alberto 2025-06-15 04:49 UTC Minimum magnitude from ASAS-SN data. Type, period and epoch from ASAS-SN, DASCH and AAVSO data.
1 Otero, Sebastian Alberto 2025-05-30 18:01 UTC Type and range from ASAS-SN data. Spectral type from 2023A&A...674A..26C.