Exposure
ID
GRAVI.2025-08-11T01:37:33.387_1
Header ID
GRAVI.2025-08-11T01:37:33.387
Date updated
2025-08-11 01:50:50 UTC+0000
Release date
2026-08-11 01:50:50 UTC+0000
UTC Start
2025-08-11 01:37:33.387
UTC End
2025-08-11 01:44:13.387
MJD Start
60898.06774754
MJD End
60898.07237716963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.006013
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.745
Observation
ID
69818
Category
science
Program ID
114.28MC.001
Program Title
UNVEILING HIDDEN PROTOPLANETS: DIRECT EXTINCTION MEASUREMENT IN THE PLANET-FORMED GAP OF AS209
Program Type
ToO
PI / COI
CUGNO / BOURDAROT / BENISTY / TEAGUE / FACCHINI / GIRARD / BERGIN / BAE / HUANG / MEYER
Target
ID
51831
Name
AS029
RA
252.316501
DEC
-14.36882
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 56.5510 56.5270 33.0000 33.4000
U1-U3 102.2520 102.1210 38.8000 39.2000
U1-U4 126.7560 125.9090 65.4370 65.6970
U2-U3 46.3620 46.2430 46.0000 46.3000
U2-U4 84.6700 83.7860 86.4450 86.8440
U3-U4 57.8070 57.1710 117.7770 118.5510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.28MC.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60898.06774754
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME EM AS 209
HIERARCH ESO INS SOBJ NAME AS029
RA 252.316501
DEC -14.36882
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 418.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 56.551
HIERARCH ESO ISS PBL12 END 56.527
HIERARCH ESO ISS PBLA12 START 33.0
HIERARCH ESO ISS PBLA12 END 33.4
HIERARCH ESO ISS PBL13 START 102.252
HIERARCH ESO ISS PBL13 END 102.121
HIERARCH ESO ISS PBLA13 START 38.8
HIERARCH ESO ISS PBLA13 END 39.2
HIERARCH ESO ISS PBL14 START 126.756
HIERARCH ESO ISS PBL14 END 125.909
HIERARCH ESO ISS PBLA14 START 65.437
HIERARCH ESO ISS PBLA14 END 65.697
HIERARCH ESO ISS PBL23 START 46.362
HIERARCH ESO ISS PBL23 END 46.243
HIERARCH ESO ISS PBLA23 START 46.0
HIERARCH ESO ISS PBLA23 END 46.3
HIERARCH ESO ISS PBL24 START 84.67
HIERARCH ESO ISS PBL24 END 83.786
HIERARCH ESO ISS PBLA24 START 86.445
HIERARCH ESO ISS PBLA24 END 86.844
HIERARCH ESO ISS PBL34 START 57.807
HIERARCH ESO ISS PBL34 END 57.171
HIERARCH ESO ISS PBLA34 START 117.777
HIERARCH ESO ISS PBLA34 END 118.551
HIERARCH ESO ISS AMBI TAU0 START 0.00661
HIERARCH ESO ISS AMBI TAU0 END 0.005416
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.74
HIERARCH ESO FT ROBJ NAME AS029
HIERARCH ESO FT ROBJ ALPHA 164915.303
HIERARCH ESO FT ROBJ DELTA -142208.643