Exposure
ID
GRAVI.2025-05-23T05:05:34.191_1
Header ID
GRAVI.2025-05-23T05:05:34.191
Date updated
2025-05-23 05:21:07 UTC+0000
Release date
2025-05-23 05:05:34 UTC+0000
UTC Start
2025-05-23 05:05:34.191
UTC End
2025-05-23 05:08:46.191
MJD Start
60818.21220128
MJD End
60818.21442350223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003055
Ambient temperature (°C)
13.72
Seeing (arcsec)
0.96
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 67.9260 68.0220 267.5000 268.0000
K0-D0 95.8600 95.9120 247.2000 247.7000
K0-J3 55.5420 55.6140 329.4570 329.8440
G2-D0 39.8870 39.8660 210.9000 211.4000
G2-J3 64.4320 64.4040 37.9620 38.4430
D0-J3 104.1330 104.0830 35.2690 35.7430
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 60818.21220128
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 67.926
HIERARCH ESO ISS PBL12 END 68.022
HIERARCH ESO ISS PBLA12 START 267.5
HIERARCH ESO ISS PBLA12 END 268.0
HIERARCH ESO ISS PBL13 START 95.86
HIERARCH ESO ISS PBL13 END 95.912
HIERARCH ESO ISS PBLA13 START 247.2
HIERARCH ESO ISS PBLA13 END 247.7
HIERARCH ESO ISS PBL14 START 55.542
HIERARCH ESO ISS PBL14 END 55.614
HIERARCH ESO ISS PBLA14 START 329.457
HIERARCH ESO ISS PBLA14 END 329.844
HIERARCH ESO ISS PBL23 START 39.887
HIERARCH ESO ISS PBL23 END 39.866
HIERARCH ESO ISS PBLA23 START 210.9
HIERARCH ESO ISS PBLA23 END 211.4
HIERARCH ESO ISS PBL24 START 64.432
HIERARCH ESO ISS PBL24 END 64.404
HIERARCH ESO ISS PBLA24 START 37.962
HIERARCH ESO ISS PBLA24 END 38.443
HIERARCH ESO ISS PBL34 START 104.133
HIERARCH ESO ISS PBL34 END 104.083
HIERARCH ESO ISS PBLA34 START 35.269
HIERARCH ESO ISS PBLA34 END 35.743
HIERARCH ESO ISS AMBI TAU0 START 0.002827
HIERARCH ESO ISS AMBI TAU0 END 0.003283
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.85