Exposure
ID
GRAVI.2025-06-20T07:00:26.782_1
Header ID
GRAVI.2025-06-20T07:00:26.782
Date updated
2025-06-20 07:10:55 UTC+0000
Release date
2025-06-20 07:00:26 UTC+0000
UTC Start
2025-06-20 07:00:26.782
UTC End
2025-06-20 07:02:50.782
MJD Start
60846.29197664
MJD End
60846.293643306664
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0017775
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.7050000000000001
Observation
ID
67531
Category
calibrator
Program ID
115.282E.001
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
Target
ID
50225
Name
HD182835
RA
291.629534
DEC
0.33856
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.8130 66.6310 271.4000 271.4000
K0-D0 95.8390 95.7720 252.8000 252.7000
K0-J3 50.2320 50.0980 335.2160 335.5460
G2-D0 38.9040 38.9760 219.5000 219.6000
G2-J3 63.4560 63.5560 46.1210 46.2040
D0-J3 102.1990 102.3720 43.6010 43.6980
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60846.29197664
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME nu. Aql
HIERARCH ESO INS SOBJ NAME HD182835
RA 291.629534
DEC 0.33856
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 66.813
HIERARCH ESO ISS PBL12 END 66.631
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.839
HIERARCH ESO ISS PBL13 END 95.772
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.7
HIERARCH ESO ISS PBL14 START 50.232
HIERARCH ESO ISS PBL14 END 50.098
HIERARCH ESO ISS PBLA14 START 335.216
HIERARCH ESO ISS PBLA14 END 335.546
HIERARCH ESO ISS PBL23 START 38.904
HIERARCH ESO ISS PBL23 END 38.976
HIERARCH ESO ISS PBLA23 START 219.5
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 63.456
HIERARCH ESO ISS PBL24 END 63.556
HIERARCH ESO ISS PBLA24 START 46.121
HIERARCH ESO ISS PBLA24 END 46.204
HIERARCH ESO ISS PBL34 START 102.199
HIERARCH ESO ISS PBL34 END 102.372
HIERARCH ESO ISS PBLA34 START 43.601
HIERARCH ESO ISS PBLA34 END 43.698
HIERARCH ESO ISS AMBI TAU0 START 0.001678
HIERARCH ESO ISS AMBI TAU0 END 0.001877
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.6