Exposure
ID
GRAVI.2025-06-20T06:50:56.758_1
Header ID
GRAVI.2025-06-20T06:50:56.758
Date updated
2025-06-20 07:01:03 UTC+0000
Release date
2025-06-20 06:50:56 UTC+0000
UTC Start
2025-06-20 06:50:56.758
UTC End
2025-06-20 06:53:20.758
MJD Start
60846.28537914
MJD End
60846.28704580666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0027615
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.75
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 67.3540 67.2060 271.4000 271.4000
K0-D0 95.9680 95.9460 252.8000 252.8000
K0-J3 50.6860 50.5510 334.1420 334.4550
G2-D0 38.6480 38.7270 219.0000 219.2000
G2-J3 63.0810 63.1980 45.8090 45.9070
D0-J3 101.5620 101.7590 43.2380 43.3510
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 60846.28537914
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 67.354
HIERARCH ESO ISS PBL12 END 67.206
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.968
HIERARCH ESO ISS PBL13 END 95.946
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 50.686
HIERARCH ESO ISS PBL14 END 50.551
HIERARCH ESO ISS PBLA14 START 334.142
HIERARCH ESO ISS PBLA14 END 334.455
HIERARCH ESO ISS PBL23 START 38.648
HIERARCH ESO ISS PBL23 END 38.727
HIERARCH ESO ISS PBLA23 START 219.0
HIERARCH ESO ISS PBLA23 END 219.2
HIERARCH ESO ISS PBL24 START 63.081
HIERARCH ESO ISS PBL24 END 63.198
HIERARCH ESO ISS PBLA24 START 45.809
HIERARCH ESO ISS PBLA24 END 45.907
HIERARCH ESO ISS PBL34 START 101.562
HIERARCH ESO ISS PBL34 END 101.759
HIERARCH ESO ISS PBLA34 START 43.238
HIERARCH ESO ISS PBLA34 END 43.351
HIERARCH ESO ISS AMBI TAU0 START 0.003611
HIERARCH ESO ISS AMBI TAU0 END 0.001912
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.85