Exposure
ID
GRAVI.2025-06-21T03:40:25.134_1
Header ID
GRAVI.2025-06-21T03:40:25.134
Date updated
2025-06-21 03:50:41 UTC+0000
Release date
2025-06-21 03:40:25 UTC+0000
UTC Start
2025-06-21 03:40:25.134
UTC End
2025-06-21 03:43:37.134
MJD Start
60847.15306868
MJD End
60847.15529090223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0055585
Ambient temperature (°C)
12.02
Seeing (arcsec)
0.68
Observation
ID
67542
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50232
Name
HD_152636
RA
253.990732
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.3470 68.3460 271.5000 272.0000
K0-D0 95.8630 95.7950 251.2000 251.7000
K0-J3 56.0160 56.0630 332.5740 332.9930
G2-D0 39.6620 39.6210 214.4000 214.8000
G2-J3 64.0760 64.0070 41.5760 42.0190
D0-J3 103.5460 103.4360 38.8360 39.2730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60847.15306868
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.990732
DEC -33.50683
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 68.347
HIERARCH ESO ISS PBL12 END 68.346
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 272.0
HIERARCH ESO ISS PBL13 START 95.863
HIERARCH ESO ISS PBL13 END 95.795
HIERARCH ESO ISS PBLA13 START 251.2
HIERARCH ESO ISS PBLA13 END 251.7
HIERARCH ESO ISS PBL14 START 56.016
HIERARCH ESO ISS PBL14 END 56.063
HIERARCH ESO ISS PBLA14 START 332.574
HIERARCH ESO ISS PBLA14 END 332.993
HIERARCH ESO ISS PBL23 START 39.662
HIERARCH ESO ISS PBL23 END 39.621
HIERARCH ESO ISS PBLA23 START 214.4
HIERARCH ESO ISS PBLA23 END 214.8
HIERARCH ESO ISS PBL24 START 64.076
HIERARCH ESO ISS PBL24 END 64.007
HIERARCH ESO ISS PBLA24 START 41.576
HIERARCH ESO ISS PBLA24 END 42.019
HIERARCH ESO ISS PBL34 START 103.546
HIERARCH ESO ISS PBL34 END 103.436
HIERARCH ESO ISS PBLA34 START 38.836
HIERARCH ESO ISS PBLA34 END 39.273
HIERARCH ESO ISS AMBI TAU0 START 0.006045
HIERARCH ESO ISS AMBI TAU0 END 0.005072
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68