Exposure
ID
GRAVI.2025-04-05T05:19:04.208_1
Header ID
GRAVI.2025-04-05T05:19:04.208
Date updated
2025-04-05 05:30:51 UTC+0000
Release date
2025-04-05 05:19:04 UTC+0000
UTC Start
2025-04-05 05:19:04.208
UTC End
2025-04-05 05:22:16.208
MJD Start
60770.22157648
MJD End
60770.22379870222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0090085
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.41000000000000003
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 19.8230 19.9950 125.4000 125.6000
A0-D0 27.2970 27.4260 34.7000 35.6000
A0-C1 15.9530 16.1680 90.6840 91.1840
B2-D0 33.9200 33.9190 359.0000 359.5000
B2-C1 11.2990 11.2990 358.9650 359.5000
D0-C1 22.6210 22.6200 179.0100 179.5450
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 60770.22157648
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 19.823
HIERARCH ESO ISS PBL12 END 19.995
HIERARCH ESO ISS PBLA12 START 125.4
HIERARCH ESO ISS PBLA12 END 125.6
HIERARCH ESO ISS PBL13 START 27.297
HIERARCH ESO ISS PBL13 END 27.426
HIERARCH ESO ISS PBLA13 START 34.7
HIERARCH ESO ISS PBLA13 END 35.6
HIERARCH ESO ISS PBL14 START 15.953
HIERARCH ESO ISS PBL14 END 16.168
HIERARCH ESO ISS PBLA14 START 90.684
HIERARCH ESO ISS PBLA14 END 91.184
HIERARCH ESO ISS PBL23 START 33.92
HIERARCH ESO ISS PBL23 END 33.919
HIERARCH ESO ISS PBLA23 START 359.0
HIERARCH ESO ISS PBLA23 END 359.5
HIERARCH ESO ISS PBL24 START 11.299
HIERARCH ESO ISS PBL24 END 11.299
HIERARCH ESO ISS PBLA24 START 358.965
HIERARCH ESO ISS PBLA24 END 359.5
HIERARCH ESO ISS PBL34 START 22.621
HIERARCH ESO ISS PBL34 END 22.62
HIERARCH ESO ISS PBLA34 START 179.01
HIERARCH ESO ISS PBLA34 END 179.545
HIERARCH ESO ISS AMBI TAU0 START 0.007792
HIERARCH ESO ISS AMBI TAU0 END 0.010225
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.37