Observation
ID
70074
Category
calibrator
Program ID
115.282E.002
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / KERVELLA / PIETRZYNSKI / GIEREN / MÉRAND / BRAS / BAILLEUL / LEFTLEY / AFANASIEV
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Target
ID
51989
Name
HD170887
RA
278.118737
DEC
-19.45211
Exposures (17)
ID Header Date updated MJD Start MJD End
GRAVI.2025-08-23T03:39:11.604_1 GRAVI.2025-08-23T03:39:11.604 2025-08-23 03:50:37 UTC+0000 60910.15221764 60910.15406949186
GRAVI.2025-08-23T03:45:56.621_1 GRAVI.2025-08-23T03:45:56.621 2025-08-23 03:55:49 UTC+0000 60910.15690534 60910.15875719186
GRAVI.2025-08-23T03:49:11.630_1 GRAVI.2025-08-23T03:49:11.630 2025-08-23 04:00:53 UTC+0000 60910.15916238 60910.16101423185
GRAVI.2025-08-23T03:55:50.646_1 GRAVI.2025-08-23T03:55:50.646 2025-08-23 04:06:26 UTC+0000 60910.16378063 60910.165632481854
GRAVI.2025-08-24T02:02:34.596_1 GRAVI.2025-08-24T02:02:34.596 2025-08-24 02:16:00 UTC+0000 60911.08512264 60911.08790041778
GRAVI.2025-08-24T02:11:49.620_1 GRAVI.2025-08-24T02:11:49.620 2025-08-24 02:25:44 UTC+0000 60911.09154653 60911.09432430778
GRAVI.2025-08-24T02:16:25.631_1 GRAVI.2025-08-24T02:16:25.631 2025-08-24 02:30:43 UTC+0000 60911.0947411 60911.09751887778
GRAVI.2025-08-25T23:11:48.165_1 GRAVI.2025-08-25T23:11:48.165 2025-08-25 23:20:48 UTC+0000 60912.96652969 60912.968381541854
GRAVI.2025-08-25T23:18:27.182_1 GRAVI.2025-08-25T23:18:27.182 2025-08-25 23:30:51 UTC+0000 60912.97114794 60912.972999791855
GRAVI.2025-08-25T23:21:42.190_1 GRAVI.2025-08-25T23:21:42.190 2025-08-25 23:30:51 UTC+0000 60912.97340498 60912.97525683186
GRAVI.2025-08-25T23:28:30.207_1 GRAVI.2025-08-25T23:28:30.207 2025-08-25 23:40:55 UTC+0000 60912.9781274 60912.97997925185
GRAVI.2025-08-26T01:49:36.567_1 GRAVI.2025-08-26T01:49:36.567 2025-08-26 02:00:56 UTC+0000 60913.07611767 60913.07889544778
GRAVI.2025-08-26T01:58:54.591_1 GRAVI.2025-08-26T01:58:54.591 2025-08-26 02:10:58 UTC+0000 60913.08257628 60913.08535405778
GRAVI.2025-08-26T02:03:27.602_1 GRAVI.2025-08-26T02:03:27.602 2025-08-26 02:15:52 UTC+0000 60913.08573613 60913.08851390778
GRAVI.2025-08-28T00:00:07.444_1 GRAVI.2025-08-28T00:00:07.444 2025-08-28 00:10:57 UTC+0000 60915.00008616 60915.00286393778
GRAVI.2025-08-28T00:09:34.468_1 GRAVI.2025-08-28T00:09:34.468 2025-08-28 00:20:59 UTC+0000 60915.00664894 60915.00942671778
GRAVI.2025-08-28T00:14:07.480_1 GRAVI.2025-08-28T00:14:07.480 2025-08-28 00:26:13 UTC+0000 60915.0098088 60915.01258657778