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| Query : 1997JAVSO..26....1W |
1997JAVSO..26....1W - J. Am. Assoc. Variable star obs., 26, 1-13 (1997/June-0)
Photoelectric photometry of TX Psc, alpha Her A, omicron Cet, and RT Cyg.
WASATONIC R.P.
Abstract (from CDS):
Photoelectric observations at 5500A have been conducted on the Lb carbon star TX Psc as part of the AAVSO Small Amplitude Red Variable program; the observed light curve from 1990 through 1995 indicates a semiregular variation with a cycle length of approximately 220 days, rather than complete irregularity. Photoelectric (V) observations were also made on the SRc variable alpha Her A; a beat period of 277 days with an amplitude of 0.8 magnitude was found. The Mira-type variables o Cet and RT Cyg have recently been observed in V and three narrow-band filters in the near infrared.
Result. from the first two months of observations are shown.
Result. from the first two months of observations are shown.
Abstract Copyright: ∼
Journal keyword(s): X Psc, Alpha Her A, Omicron Cet, RT Cyg
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 | * omi Cet | Mi* | 02 19 20.79210 | -02 58 39.4956 | 7.63 | 6.53 | 5.03 | M5-9IIIe+DA | 1586 | 0 | ||
| 2 | * 32 Oph | PM* | 17 03 07.8711020736 | +14 05 31.013994084 | 8.51 | 6.58 | 4.98 | 3.54 | 2.33 | M3-III | 94 | 0 |
| 3 | HD 154595 | ** | 17 13 17.5758268320 | -72 42 21.219542640 | 9.53 | 9.36 | G5III+A4/5V | 18 | 0 | |||
| 4 | * alf Her A | LP* | 17 14 38.852741 | +14 23 25.33577 | 4.67 | 3.33 | M5Ib-II | 448 | 0 | |||
| 5 | * alf Her B | SB* | 17 14 39.1724224693 | +14 23 24.008038035 | 6.030 | 5.322 | G5III+F2V: | 138 | 0 | |||
| 6 | V* RT Cyg | Mi* | 19 43 37.7664119520 | +48 46 41.333575404 | 9.73 | 8.45 | 7.86 | 6.694 | M2-7e | 143 | 0 | |
| 7 | * iot Psc | PM* | 23 39 57.0406036160 | +05 37 34.653911951 | 4.640 | 4.620 | 4.120 | 3.68 | 3.37 | F7V | 641 | 0 |
| 8 | * 19 Psc | C* | 23 46 23.5164473376 | +03 29 12.519049272 | 10.95 | 7.62 | 5.02 | 3.19 | 1.82 | C-N6 | 462 | 0 |
| 9 | * 22 Psc | * | 23 51 57.8388691200 | +02 55 49.391157252 | 7.108 | 5.554 | K4IIIBa1 | 87 | 0 |
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