Exposure
ID
GRAVI.2024-04-29T02:34:00.849_1
Header ID
GRAVI.2024-04-29T02:34:00.849
Date updated
2024-04-29 02:45:28 UTC+0000
Release date
2025-04-29 02:45:28 UTC+0000
UTC Start
2024-04-29 02:34:00.849
UTC End
2024-04-29 02:38:00.849
MJD Start
60429.10695427
MJD End
60429.1097320478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004518
Ambient temperature (°C)
16.17
Seeing (arcsec)
0.625
Observation
ID
58994
Category
science
Program ID
113.26EM.001
Program Title
DIRECT CONFIRMATION OF PROTOPLANET CANDIDATES IN TRANSITION DISKS
Program Type
Normal
PI / COI
BENISTY / BOURDAROT / GINSKI / KAMMERER / LACOUR / BAE / FACCHINI / TEAGUE
Target
ID
43678
Name
TW_Hya
RA
165.468945
DEC
-34.70437
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 53.9540 53.8000 34.5000 34.9000
U1-U3 97.1750 96.8320 41.1000 41.5000
U1-U4 122.4390 121.7630 70.7460 71.2660
U2-U3 44.0140 43.8260 49.1000 49.6000
U2-U4 85.1470 84.7050 92.7600 93.4050
U3-U4 61.3260 61.1620 122.4340 123.1620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EM.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60429.10695427
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TW Hya
HIERARCH ESO INS SOBJ NAME TW_Hya
RA 165.468945
DEC -34.70437
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 263.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 53.954
HIERARCH ESO ISS PBL12 END 53.8
HIERARCH ESO ISS PBLA12 START 34.5
HIERARCH ESO ISS PBLA12 END 34.9
HIERARCH ESO ISS PBL13 START 97.175
HIERARCH ESO ISS PBL13 END 96.832
HIERARCH ESO ISS PBLA13 START 41.1
HIERARCH ESO ISS PBLA13 END 41.5
HIERARCH ESO ISS PBL14 START 122.439
HIERARCH ESO ISS PBL14 END 121.763
HIERARCH ESO ISS PBLA14 START 70.746
HIERARCH ESO ISS PBLA14 END 71.266
HIERARCH ESO ISS PBL23 START 44.014
HIERARCH ESO ISS PBL23 END 43.826
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 85.147
HIERARCH ESO ISS PBL24 END 84.705
HIERARCH ESO ISS PBLA24 START 92.76
HIERARCH ESO ISS PBLA24 END 93.405
HIERARCH ESO ISS PBL34 START 61.326
HIERARCH ESO ISS PBL34 END 61.162
HIERARCH ESO ISS PBLA34 START 122.434
HIERARCH ESO ISS PBLA34 END 123.162
HIERARCH ESO ISS AMBI TAU0 START 0.005228
HIERARCH ESO ISS AMBI TAU0 END 0.003808
HIERARCH ESO ISS AMBI TEMP 16.17
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.62
HIERARCH ESO FT ROBJ NAME TW_Hya
HIERARCH ESO FT ROBJ ALPHA 110151.905
HIERARCH ESO FT ROBJ DELTA -344217.033