Exposure
- ID
- GRAVI.2025-07-08T02:18:14.352_2
- Header ID
- GRAVI.2025-07-08T02:18:14.352
- Date updated
- 2025-07-08 02:35:36 UTC+0000
- Release date
- 2025-07-08 02:18:14 UTC+0000
- UTC Start
- 2025-07-08 02:18:14.352
- UTC End
- 2025-07-08 02:24:14.352
- MJD Start
- 60864.09599944
- MJD End
- 60864.10016610666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0060444999999999995
- Ambient temperature (°C)
- 15.29
- Seeing (arcsec)
- 0.66
Observation
- ID
- 68251
- Category
- calibrator
- Program ID
- 115.27WT.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5400 | 56.5500 | 18.4000 | 19.2000 |
| U1-U3 | 102.2800 | 102.3330 | 24.5000 | 25.4000 |
| U1-U4 | 128.3330 | 128.7380 | 51.9660 | 52.8860 |
| U2-U3 | 46.4570 | 46.5080 | 32.0000 | 32.9000 |
| U2-U4 | 87.0360 | 87.4960 | 73.0200 | 73.8920 |
| U3-U4 | 60.2770 | 60.6520 | 103.4180 | 104.1120 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60864.09599944 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416192 |
| DEC | -29.00743 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.54 |
| HIERARCH ESO ISS PBL12 END | 56.55 |
| HIERARCH ESO ISS PBLA12 START | 18.4 |
| HIERARCH ESO ISS PBLA12 END | 19.2 |
| HIERARCH ESO ISS PBL13 START | 102.28 |
| HIERARCH ESO ISS PBL13 END | 102.333 |
| HIERARCH ESO ISS PBLA13 START | 24.5 |
| HIERARCH ESO ISS PBLA13 END | 25.4 |
| HIERARCH ESO ISS PBL14 START | 128.333 |
| HIERARCH ESO ISS PBL14 END | 128.738 |
| HIERARCH ESO ISS PBLA14 START | 51.966 |
| HIERARCH ESO ISS PBLA14 END | 52.886 |
| HIERARCH ESO ISS PBL23 START | 46.457 |
| HIERARCH ESO ISS PBL23 END | 46.508 |
| HIERARCH ESO ISS PBLA23 START | 32.0 |
| HIERARCH ESO ISS PBLA23 END | 32.9 |
| HIERARCH ESO ISS PBL24 START | 87.036 |
| HIERARCH ESO ISS PBL24 END | 87.496 |
| HIERARCH ESO ISS PBLA24 START | 73.02 |
| HIERARCH ESO ISS PBLA24 END | 73.892 |
| HIERARCH ESO ISS PBL34 START | 60.277 |
| HIERARCH ESO ISS PBL34 END | 60.652 |
| HIERARCH ESO ISS PBLA34 START | 103.418 |
| HIERARCH ESO ISS PBLA34 END | 104.112 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005696 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006393 |
| HIERARCH ESO ISS AMBI TEMP | 15.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |