Exposure
ID
GRAVI.2025-05-19T09:10:54.772_1
Header ID
GRAVI.2025-05-19T09:10:54.772
Date updated
2025-05-19 09:21:07 UTC+0000
Release date
2025-05-19 09:10:54 UTC+0000
UTC Start
2025-05-19 09:10:54.772
UTC End
2025-05-19 09:14:06.772
MJD Start
60814.38257838
MJD End
60814.38480060222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.009358499999999999
Ambient temperature (°C)
12.36
Seeing (arcsec)
0.495
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 24.9440 24.9360 172.1000 172.8000
A0-D0 22.9610 22.6620 98.6000 99.2000
A0-C1 20.1740 20.1070 150.8200 151.6790
B2-D0 28.7210 28.5560 42.2000 42.4000
B2-C1 9.5700 9.5150 42.1600 42.3100
D0-C1 19.1520 19.0420 222.2240 222.3730
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 60814.38257838
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 24.944
HIERARCH ESO ISS PBL12 END 24.936
HIERARCH ESO ISS PBLA12 START 172.1
HIERARCH ESO ISS PBLA12 END 172.8
HIERARCH ESO ISS PBL13 START 22.961
HIERARCH ESO ISS PBL13 END 22.662
HIERARCH ESO ISS PBLA13 START 98.6
HIERARCH ESO ISS PBLA13 END 99.2
HIERARCH ESO ISS PBL14 START 20.174
HIERARCH ESO ISS PBL14 END 20.107
HIERARCH ESO ISS PBLA14 START 150.82
HIERARCH ESO ISS PBLA14 END 151.679
HIERARCH ESO ISS PBL23 START 28.721
HIERARCH ESO ISS PBL23 END 28.556
HIERARCH ESO ISS PBLA23 START 42.2
HIERARCH ESO ISS PBLA23 END 42.4
HIERARCH ESO ISS PBL24 START 9.57
HIERARCH ESO ISS PBL24 END 9.515
HIERARCH ESO ISS PBLA24 START 42.16
HIERARCH ESO ISS PBLA24 END 42.31
HIERARCH ESO ISS PBL34 START 19.152
HIERARCH ESO ISS PBL34 END 19.042
HIERARCH ESO ISS PBLA34 START 222.224
HIERARCH ESO ISS PBLA34 END 222.373
HIERARCH ESO ISS AMBI TAU0 START 0.010048
HIERARCH ESO ISS AMBI TAU0 END 0.008669
HIERARCH ESO ISS AMBI TEMP 12.36
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.5