Exposure
ID
GRAVI.2025-04-06T05:53:09.036_1
Header ID
GRAVI.2025-04-06T05:53:09.036
Date updated
2025-04-06 06:05:59 UTC+0000
Release date
2025-04-06 05:53:09 UTC+0000
UTC Start
2025-04-06 05:53:09.036
UTC End
2025-04-06 05:56:21.036
MJD Start
60771.24524347
MJD End
60771.24746569223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0028894999999999997
Ambient temperature (°C)
14.21
Seeing (arcsec)
0.635
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 21.4500 21.5930 127.4000 127.6000
A0-D0 28.6520 28.7840 43.4000 44.2000
A0-C1 18.0120 18.1940 95.5760 96.0300
B2-D0 33.9240 33.9240 4.5000 5.0000
B2-C1 11.3000 11.3010 4.4480 4.9790
D0-C1 22.6230 22.6240 184.4990 185.0300
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 60771.24524347
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 21.45
HIERARCH ESO ISS PBL12 END 21.593
HIERARCH ESO ISS PBLA12 START 127.4
HIERARCH ESO ISS PBLA12 END 127.6
HIERARCH ESO ISS PBL13 START 28.652
HIERARCH ESO ISS PBL13 END 28.784
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 44.2
HIERARCH ESO ISS PBL14 START 18.012
HIERARCH ESO ISS PBL14 END 18.194
HIERARCH ESO ISS PBLA14 START 95.576
HIERARCH ESO ISS PBLA14 END 96.03
HIERARCH ESO ISS PBL23 START 33.924
HIERARCH ESO ISS PBL23 END 33.924
HIERARCH ESO ISS PBLA23 START 4.5
HIERARCH ESO ISS PBLA23 END 5.0
HIERARCH ESO ISS PBL24 START 11.3
HIERARCH ESO ISS PBL24 END 11.301
HIERARCH ESO ISS PBLA24 START 4.448
HIERARCH ESO ISS PBLA24 END 4.979
HIERARCH ESO ISS PBL34 START 22.623
HIERARCH ESO ISS PBL34 END 22.624
HIERARCH ESO ISS PBLA34 START 184.499
HIERARCH ESO ISS PBLA34 END 185.03
HIERARCH ESO ISS AMBI TAU0 START 0.002927
HIERARCH ESO ISS AMBI TAU0 END 0.002852
HIERARCH ESO ISS AMBI TEMP 14.21
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.64