Exposure
ID
GRAVI.2025-05-30T09:09:10.869_1
Header ID
GRAVI.2025-05-30T09:09:10.869
Date updated
2025-05-30 09:23:30 UTC+0000
Release date
2025-05-30 09:09:10 UTC+0000
UTC Start
2025-05-30 09:09:10.869
UTC End
2025-05-30 09:11:34.869
MJD Start
60825.3813758
MJD End
60825.38304246667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.004932
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.525
Observation
ID
67649
Category
calibrator
Program ID
113.26QJ.001
Program Title
IMPACT OF CIRCUMSTELLAR ENVELOPE OF CEPHEIDS ON THE PERIOD-LUMINOSITY RELATION IN THE ERA OF JWST
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / LEWIS / GALLENNE / KERVELLA / MÉRAND / SMOLEC / PIETRZYNSKI / GIEREN / PILECKI / BRAS
Target
ID
50307
Name
HD195617
RA
308.084089
DEC
2.1328
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 43.4670 43.3370 151.2000 151.4000
A0-J2 128.0160 127.7880 92.3000 92.3000
A0-J6 158.7890 159.1650 30.7920 30.9900
B5-J2 111.9120 111.9530 72.9000 72.8000
B5-J6 184.6110 184.9410 19.0690 19.3350
J2-J6 148.9910 148.6940 341.7610 342.0850
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26QJ.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60825.3813758
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 195617
HIERARCH ESO INS SOBJ NAME HD195617
RA 308.084089
DEC 2.1328
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 43.467
HIERARCH ESO ISS PBL12 END 43.337
HIERARCH ESO ISS PBLA12 START 151.2
HIERARCH ESO ISS PBLA12 END 151.4
HIERARCH ESO ISS PBL13 START 128.016
HIERARCH ESO ISS PBL13 END 127.788
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 158.789
HIERARCH ESO ISS PBL14 END 159.165
HIERARCH ESO ISS PBLA14 START 30.792
HIERARCH ESO ISS PBLA14 END 30.99
HIERARCH ESO ISS PBL23 START 111.912
HIERARCH ESO ISS PBL23 END 111.953
HIERARCH ESO ISS PBLA23 START 72.9
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 184.611
HIERARCH ESO ISS PBL24 END 184.941
HIERARCH ESO ISS PBLA24 START 19.069
HIERARCH ESO ISS PBLA24 END 19.335
HIERARCH ESO ISS PBL34 START 148.991
HIERARCH ESO ISS PBL34 END 148.694
HIERARCH ESO ISS PBLA34 START 341.761
HIERARCH ESO ISS PBLA34 END 342.085
HIERARCH ESO ISS AMBI TAU0 START 0.004704
HIERARCH ESO ISS AMBI TAU0 END 0.00516
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.54