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Browsing Aryabhatta Research Institute of Observational Sciences by Author "Kandpal, C. D."

Browsing Aryabhatta Research Institute of Observational Sciences by Author "Kandpal, C. D."

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  • Astrometric positions of Comet Wilson (19861) 
    Joshi, S. C.; Srivastava, J. B.; Padalia, T. D.; Kandpal, C. D. (1988)
    Positions of comet Wilson have been measured from the photographic plates taken at the Cassegrain focus of the 104-cm reflector of Uttar Pradesh State Observatory, Naini Tal.
  • BV observations of the eclipsing binary WX Eridani 
    Srivastava, J. B.; Kandpal, C. D. (1986)
    Photoelectric observations of WX Eridani in B and V filters have been discussed. The maximum magnitudes of the system are B= 9. ͫ 70 and V= 9. ͫ 46. the B-V colours of the components are 0. ͫ 16 and 0. ͫ 80 for the ...
  • Eclipsing binary system AV hydrae 
    Srivastava, J. B.; Kandpal, C. D. (1981)
    The eclipsing binary AV Hya has been observed photoelectrically in U, B and V filters on 15 nights. The primary eclipse appeared to be total with a totality of 23 min duration. A modified period of 0.6 834 062 has been ...
  • Eclipsing binary UW Bootis 
    Srivastava, J. B.; Kandpal, C. D. (1987)
    Photometric observations of primary minimum in U, B, and V filters have been discussed. The amplitude of variation in all three filter is 0.ͫ66. We do not find variations in the period and its revised value is 0.ͩ0047115.
  • HD 126200 - a suspected eclipsing binary? 
    Srivastava, J. B.; Kandpal, C. D. (1984)
    The star HD 126200 (= BD+8°2857) has now been listed by Kukarkin et al. (1982) as a suspected eclipsing binary of Algol type with a variation of 0.5 magnitude based on the findings of Sanding (1951). Hirschfeld and Sinnott ...
  • On the primary minimum of eclipsing binary AY Cam 
    Srivastava, J. B.; Kandpal, C. D. (1987)
    The eclipsing binary AY Cam (= BV 363 = BD + 77° 0328) was discovered by Strohmeier and Knigge (1961). They assigned it a period of 1ͩ. 367485. The photographic light curve is of Algol type with no indication of secondary ...
  • Photoelectric elements of the binary system AO Monocerotis 
    Kandpal, C. D. (1976)
    A slightly improved period of 1. ͩ 884 761 9, has been given for the system AO Mon. Photoelectric elements have been computed in B and V filters. The orbit is found to be eccentric. Absolute elements have been derived by ...
  • Photoelectric elements of the eclipsing binary XY Cep 
    Srivastava, J. B.; Kandpal, C. D. (1979)
    The light curve and U, B and V observations of the system XY Cep have been presented. Photoelectric and absolute elements of the system have been determined. It is a semi-detached system.
  • Photoelectric Observations of VZ Cas 
    Srivastava, J. B.; Kandpal, C. D. (1981)
    VZ Cas is a Mira-type variable star with a period of 169.28d. The spectral type of the star is M0e-M3e. The magnitude is 9.3m - 13.3m (Kukarkin et al., 1976). The star VZ Cas was observed as comparison for the ...
  • Photoelectric study of the eclipsing system CD Eridani 
    Kandpal, C. D.; Srivastava, J. B. (1980)
    Limiting photometric solutions for the system CD Eri in B and V filters have been obtained. The secondary minimum was found to be absent.
  • Photographic observations of comet Halley (1982i) 
    Joshi, S. C.; Srivastava, J. B.; Kandpal, C. D.; Padalia, T. D.; Sanwal, B. B.; Chaubey, U. S.; Singh, M. (1987)
    Positions of Comet Halley have been measured from the photographic plates taken at Cassegrain focus the 104-cm telescope of Uttar Pradesh State Observatory.
  • Photometric elements of the eclipsing binary AE Cas 
    Srivastava, J. B.; Kandpal, C. D. (1984)
    The light curves and U, B, and V observations of the system AE Cas have been presented. An improved period of 0ͩ.7591215 is given on the basis of present observations. Photometric elements of the system have been obtained ...
  • Three- colour photometry of TW CAS 
    Kandpal, C. D. (1975)
    Photoelectric elements of the system TW Cas have been determined in U,B and V filters. A refined period of 1ᵈ.428 324 77 has been given though no change in period is noticed. Spectroscopic elements given by struve have ...
  • UBV observations of RS Canum Venaticorum 
    Srivastava, J. B.; Kandpal, C. D. (1990)
    Photoelectric observations of eclipsing binary RS CVn carried out at Uttar Pradesh State Observatory Nainital, have been reported. The light curve shows wave-like distortion. Colours and magnitudes of RS CVn and comparison ...
  • UBV observations of the eclipsing binary FW monocerotis 
    Srivastava, J. B.; Kandpal, C. D. (1993)
    Photometric observations of FW Monocerotis in U, B, and V filter have been discussed. The depths of the primary minimum in UBV colours are 2.ᵐ63, 2.ᵐ17 and 1.ᵐ76, respectively. No variation in the period has been found and ...
  • UBV photometry of the eclipsing binary RZ Eridani 
    Srivastava, J. B.; Kandpal, C. D. (1988)
    U, B, and V observations of RZ Eri have been reported. COlours of comparison stars BD-10°994, BD-10°996 and of the variable RZ Eri have been presented. The observations of RZ Eri do not indicate the distortion wave in the ...

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