Exposure
ID
GRAVI.2025-05-20T05:08:17.262_1
Header ID
GRAVI.2025-05-20T05:08:17.262
Date updated
2025-05-20 05:21:09 UTC+0000
Release date
2025-05-20 05:08:17 UTC+0000
UTC Start
2025-05-20 05:08:17.262
UTC End
2025-05-20 05:11:29.262
MJD Start
60815.21408868
MJD End
60815.21631090222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0076845
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.435
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 24.7260 24.7740 138.0000 138.3000
A0-D0 31.9020 31.9310 65.9000 66.4000
A0-C1 22.1880 22.2420 110.8540 111.3130
B2-D0 33.8180 33.8040 21.8000 22.2000
B2-C1 11.2650 11.2600 21.7520 22.2030
D0-C1 22.5530 22.5440 201.8150 202.2660
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 60815.21408868
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 24.726
HIERARCH ESO ISS PBL12 END 24.774
HIERARCH ESO ISS PBLA12 START 138.0
HIERARCH ESO ISS PBLA12 END 138.3
HIERARCH ESO ISS PBL13 START 31.902
HIERARCH ESO ISS PBL13 END 31.931
HIERARCH ESO ISS PBLA13 START 65.9
HIERARCH ESO ISS PBLA13 END 66.4
HIERARCH ESO ISS PBL14 START 22.188
HIERARCH ESO ISS PBL14 END 22.242
HIERARCH ESO ISS PBLA14 START 110.854
HIERARCH ESO ISS PBLA14 END 111.313
HIERARCH ESO ISS PBL23 START 33.818
HIERARCH ESO ISS PBL23 END 33.804
HIERARCH ESO ISS PBLA23 START 21.8
HIERARCH ESO ISS PBLA23 END 22.2
HIERARCH ESO ISS PBL24 START 11.265
HIERARCH ESO ISS PBL24 END 11.26
HIERARCH ESO ISS PBLA24 START 21.752
HIERARCH ESO ISS PBLA24 END 22.203
HIERARCH ESO ISS PBL34 START 22.553
HIERARCH ESO ISS PBL34 END 22.544
HIERARCH ESO ISS PBLA34 START 201.815
HIERARCH ESO ISS PBLA34 END 202.266
HIERARCH ESO ISS AMBI TAU0 START 0.006824
HIERARCH ESO ISS AMBI TAU0 END 0.008545
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.43