Exposure
ID
GRAVI.2025-05-20T08:03:35.041_1
Header ID
GRAVI.2025-05-20T08:03:35.041
Date updated
2025-05-20 08:15:53 UTC+0000
Release date
2025-05-20 08:03:35 UTC+0000
UTC Start
2025-05-20 08:03:35.041
UTC End
2025-05-20 08:06:47.041
MJD Start
60815.33582223
MJD End
60815.338044452226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.01013
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.46499999999999997
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 25.1320 25.1200 161.5000 162.1000
A0-D0 27.4440 27.2190 89.1000 89.6000
A0-C1 21.3740 21.3060 137.4300 138.1490
B2-D0 31.1050 30.9880 38.7000 39.0000
B2-C1 10.3620 10.3240 38.6880 38.9370
D0-C1 20.7420 20.6650 218.7530 219.0020
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 60815.33582223
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 25.132
HIERARCH ESO ISS PBL12 END 25.12
HIERARCH ESO ISS PBLA12 START 161.5
HIERARCH ESO ISS PBLA12 END 162.1
HIERARCH ESO ISS PBL13 START 27.444
HIERARCH ESO ISS PBL13 END 27.219
HIERARCH ESO ISS PBLA13 START 89.1
HIERARCH ESO ISS PBLA13 END 89.6
HIERARCH ESO ISS PBL14 START 21.374
HIERARCH ESO ISS PBL14 END 21.306
HIERARCH ESO ISS PBLA14 START 137.43
HIERARCH ESO ISS PBLA14 END 138.149
HIERARCH ESO ISS PBL23 START 31.105
HIERARCH ESO ISS PBL23 END 30.988
HIERARCH ESO ISS PBLA23 START 38.7
HIERARCH ESO ISS PBLA23 END 39.0
HIERARCH ESO ISS PBL24 START 10.362
HIERARCH ESO ISS PBL24 END 10.324
HIERARCH ESO ISS PBLA24 START 38.688
HIERARCH ESO ISS PBLA24 END 38.937
HIERARCH ESO ISS PBL34 START 20.742
HIERARCH ESO ISS PBL34 END 20.665
HIERARCH ESO ISS PBLA34 START 218.753
HIERARCH ESO ISS PBLA34 END 219.002
HIERARCH ESO ISS AMBI TAU0 START 0.010598
HIERARCH ESO ISS AMBI TAU0 END 0.009662
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.47