LPV of the month - September 2020 - CH Cyg
CH Cygni
By Rich Roberts
front page news
All nodes that have this tag will posted to the home page "Recent Activity" block
Alert Notice 719: Light curves for symbiotic star ASAS J190559-2109.4
August 26, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/asas-j190559-21094-campaign
Please subscribe to this thread if you are participating in the campaign so you can be updated by the astronomer and by HQ. Join in the discussion or ask questions there!
Alert Notice 718: Monitoring requested for Aquila X-1 (V1333 Aql) outburst
August 26, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/aquila-x-1-v1333-aql-2020-august-outburst-01
- Time Sensitive Alerts: https//www.aavso.org/aquila-x-1-v1333-aql-2020-august-outburst
Alert Notice 717: Flaring of blazar S5 1803+78 continues
August 17, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- High Energy Network (HEN): https://www.aavso.org/observations-blazar-s5-180378-critically-needed
Alert Notice 716: XMM-Newton observing five T Tau stars
Note: Please continue coverage of these targets until further notice. - Elizabeth O. Waagen, 1 February 2021
August 14, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/five-t-tau-stars-XMM-campaign
- Young Stellar Objects: https://www.aavso.org/five-t-tau-stars-XMM-campaign-0
Alert Notice 715: N Cas 2020 = TCP J00114297+6611190 [V1391 Cas]
August 13, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Time Sensitive Alerts: https://www.aavso.org/tcp-j001142976611190-galactic-classical-fe-ii-nova-13-mag-cassiopeia-0
- Novae: https://www.aavso.org/tcp-j001142976611190-galactic-classical-fe-ii-nova-13-mag-cassiopeia
Alert Notice 714: TCP J21040470+4631129 to be observed with HST
Note: Additional HST observations may be scheduled, so please continue obtaining 2-3 V snapshots per week. When a decision is made about any further HST observations (and consequent cadence changes), that information will be communicated via the forum threads for this campaign. Please be sure to subscribe to stay informed! - Elizabeth O. Waagen, 1 October 2020
Note: The HST observations of TCP-J21040470+4631129 have been scheduled for
Sep 12, 2020 07:16:37 to 13:07:28 UT
Alert Notice 713: Unusual Nova in Aquila: N Aql 2020 No. 2 = AT 2020qpq = PGIR20eig
Note: The table of Observations submitted to the AAVSO was replaced to correct errors in this table in the original version of the Alert Notice. - Elizabeth O. Waagen, 3 August 2020
August 3, 2020
JAAVSO volume 48, number 1, June 2020, print version now available
The Journal of the American Association of Variable Star Observers
Volume 48, Number 1, 2020
The printed version of this issue is now available from Amazon via the link below.
Alert Notice 712: Nova in Sagittarius: N Sgr 2020 No. 3 = PNV J17580848-3005376 [V6568 Sgr]
July 17, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Time Sensitive Alerts: https://www.aavso.org/pnv-j17580848-3005376-possible-nova-10-mag-sagittarius
- Novae: https://www.aavso.org/pnv-j17580848-3005376-nova-sgr-2020-no-3