Exposure
ID
GRAVI.2025-04-05T05:35:25.249_1
Header ID
GRAVI.2025-04-05T05:35:25.249
Date updated
2025-04-05 05:50:37 UTC+0000
Release date
2025-04-05 05:35:25 UTC+0000
UTC Start
2025-04-05 05:35:25.249
UTC End
2025-04-05 05:38:37.249
MJD Start
60770.23293112
MJD End
60770.235153342226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0091725
Ambient temperature (°C)
14.52
Seeing (arcsec)
0.36
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.5600 20.7190 126.2000 126.4000
A0-D0 27.8750 28.0080 38.6000 39.5000
A0-C1 16.8810 17.0820 92.8520 93.3280
B2-D0 33.9200 33.9200 1.4000 1.9000
B2-C1 11.2990 11.2990 1.3300 1.8640
D0-C1 22.6210 22.6210 181.3770 181.9120
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 60770.23293112
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 20.56
HIERARCH ESO ISS PBL12 END 20.719
HIERARCH ESO ISS PBLA12 START 126.2
HIERARCH ESO ISS PBLA12 END 126.4
HIERARCH ESO ISS PBL13 START 27.875
HIERARCH ESO ISS PBL13 END 28.008
HIERARCH ESO ISS PBLA13 START 38.6
HIERARCH ESO ISS PBLA13 END 39.5
HIERARCH ESO ISS PBL14 START 16.881
HIERARCH ESO ISS PBL14 END 17.082
HIERARCH ESO ISS PBLA14 START 92.852
HIERARCH ESO ISS PBLA14 END 93.328
HIERARCH ESO ISS PBL23 START 33.92
HIERARCH ESO ISS PBL23 END 33.92
HIERARCH ESO ISS PBLA23 START 1.4
HIERARCH ESO ISS PBLA23 END 1.9
HIERARCH ESO ISS PBL24 START 11.299
HIERARCH ESO ISS PBL24 END 11.299
HIERARCH ESO ISS PBLA24 START 1.33
HIERARCH ESO ISS PBLA24 END 1.864
HIERARCH ESO ISS PBL34 START 22.621
HIERARCH ESO ISS PBL34 END 22.621
HIERARCH ESO ISS PBLA34 START 181.377
HIERARCH ESO ISS PBLA34 END 181.912
HIERARCH ESO ISS AMBI TAU0 START 0.010207
HIERARCH ESO ISS AMBI TAU0 END 0.008138
HIERARCH ESO ISS AMBI TEMP 14.52
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36