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| Query : 2021JAVSO..49...49H |
2021JAVSO..49...49H - J. Am. Assoc. Variable star obs., 49, 49 (2021)
Light Curve Analysis of 185 YSOs: New Periods Discovered for 9 Stars.
HAMILTON J.R.
Abstract (from CDS):
Using AAVSO's VStar software, all 185 YSOs listed in the AAVSO's Target Tool were analyzed using the Date Compensated Discrete Fourier Transform (DCDFT) algorithm, searching for periodicity. Light curves created from the AID (AAVSO International Database) data and ASAS-SN data were used for this analysis. Of the 185 YSO candidates analyzed, new semiregular periods were discovered for nine stars. The remaining 176 YSO candidates analyzed did not show significant semiregular periodicity, were unable to be analyzed due to the lack of enough usable data, or already had periods listed in VSX or ASAS-SN.
Abstract Copyright: ∼
Journal keyword(s): Fast Fourier transform - Irregular Variable Stars - Period Determination - Period Search, Young stellar objects
Status at CDS : Objects in title, abstract, text, figures, and all or part of small table(s) being processed in SIMBAD.
Simbad objects: 9
| Number of rows : 9 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | V* V369 Per | LP* | 02 51 17.1990751296 | +38 14 40.769640024 | 12.082 | 10.181 | 9.939 | ~ | 8 | 0 | ||
| 2 | V* MY Lup | TT* | 16 00 44.5202267160 | -41 55 30.935126748 | 12.64 | 12.17 | 11.06 | K0 | 144 | 0 | ||
| 3 | V* WW Vul | Ae* | 19 25 58.7494120560 | +21 12 31.333658616 | 11.46 | 10.99 | 10.25 | 10.38 | 10.12 | A2IVe | 237 | 0 |
| 4 | V* CT Vul | V* | 19 47 32.5677840864 | +20 54 17.791321716 | ~ | 5 | 0 | |||||
| 5 | V* V1515 Cyg | Or* | 20 23 48.0158573016 | +42 12 25.781279076 | 15.26 | 13.39 | 12.03 | G0/G2Ib | 260 | 0 | ||
| 6 | V* V561 Cyg | LP* | 20 25 58.2156558288 | +52 08 41.195047452 | ~ | 6 | 1 | |||||
| 7 | EM* LkHA 120 | Or* | 21 01 09.2070147480 | +50 21 44.806779000 | 13.37 | 13.09 | 11.99 | 11.75 | F0/F4-G5 | 203 | 1 | |
| 8 | V* SV Cep | Ae* | 22 21 33.2166238512 | +73 40 27.097678812 | 11.40 | 11.25 | 10.35 | 10.28 | 10.08 | A2IVe | 141 | 0 |
| 9 | V* FY Lac | LP* | 22 32 35.5070738304 | +45 31 46.271425080 | 11.65 | 10.11 | ~ | 7 | 0 |
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