Exposure
ID
GRAVI.2025-05-23T05:22:04.233_1
Header ID
GRAVI.2025-05-23T05:22:04.233
Date updated
2025-05-23 05:36:01 UTC+0000
Release date
2025-05-23 05:22:04 UTC+0000
UTC Start
2025-05-23 05:22:04.233
UTC End
2025-05-23 05:25:16.233
MJD Start
60818.2236601
MJD End
60818.22588232222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0044645
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.625
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 68.2590 68.3000 269.8000 270.3000
K0-D0 95.9760 95.9600 249.5000 250.0000
K0-J3 55.8370 55.8940 331.2040 331.6090
G2-D0 39.7760 39.7450 212.9000 213.4000
G2-J3 64.2680 64.2170 40.0600 40.5190
D0-J3 103.8540 103.7710 37.3390 37.7920
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 60818.2236601
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 68.259
HIERARCH ESO ISS PBL12 END 68.3
HIERARCH ESO ISS PBLA12 START 269.8
HIERARCH ESO ISS PBLA12 END 270.3
HIERARCH ESO ISS PBL13 START 95.976
HIERARCH ESO ISS PBL13 END 95.96
HIERARCH ESO ISS PBLA13 START 249.5
HIERARCH ESO ISS PBLA13 END 250.0
HIERARCH ESO ISS PBL14 START 55.837
HIERARCH ESO ISS PBL14 END 55.894
HIERARCH ESO ISS PBLA14 START 331.204
HIERARCH ESO ISS PBLA14 END 331.609
HIERARCH ESO ISS PBL23 START 39.776
HIERARCH ESO ISS PBL23 END 39.745
HIERARCH ESO ISS PBLA23 START 212.9
HIERARCH ESO ISS PBLA23 END 213.4
HIERARCH ESO ISS PBL24 START 64.268
HIERARCH ESO ISS PBL24 END 64.217
HIERARCH ESO ISS PBLA24 START 40.06
HIERARCH ESO ISS PBLA24 END 40.519
HIERARCH ESO ISS PBL34 START 103.854
HIERARCH ESO ISS PBL34 END 103.771
HIERARCH ESO ISS PBLA34 START 37.339
HIERARCH ESO ISS PBLA34 END 37.792
HIERARCH ESO ISS AMBI TAU0 START 0.003602
HIERARCH ESO ISS AMBI TAU0 END 0.005327
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.53