Exposure
- ID
- GRAVI.2025-07-08T01:12:17.183_2
- Header ID
- GRAVI.2025-07-08T01:12:17.183
- Date updated
- 2025-07-08 01:25:45 UTC+0000
- Release date
- 2025-07-08 01:12:17 UTC+0000
- UTC Start
- 2025-07-08 01:12:17.183
- UTC End
- 2025-07-08 01:18:17.183
- MJD Start
- 60864.05019888
- MJD End
- 60864.05436554667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007932
- Ambient temperature (°C)
- 15.46
- Seeing (arcsec)
- 0.505
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 | 56.3440 | 56.3650 | 9.5000 | 10.4000 |
| U1-U3 | 101.4220 | 101.5140 | 15.1000 | 16.1000 |
| U1-U4 | 122.1520 | 122.8750 | 41.2290 | 42.3900 |
| U2-U3 | 45.6760 | 45.7630 | 22.0000 | 23.1000 |
| U2-U4 | 79.9010 | 80.7660 | 62.9800 | 64.0690 |
| U3-U4 | 54.3920 | 55.1270 | 96.3840 | 97.0750 |
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 | 60864.05019888 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41619 |
| DEC | -29.00744 |
| 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 | 56.344 |
| HIERARCH ESO ISS PBL12 END | 56.365 |
| HIERARCH ESO ISS PBLA12 START | 9.5 |
| HIERARCH ESO ISS PBLA12 END | 10.4 |
| HIERARCH ESO ISS PBL13 START | 101.422 |
| HIERARCH ESO ISS PBL13 END | 101.514 |
| HIERARCH ESO ISS PBLA13 START | 15.1 |
| HIERARCH ESO ISS PBLA13 END | 16.1 |
| HIERARCH ESO ISS PBL14 START | 122.152 |
| HIERARCH ESO ISS PBL14 END | 122.875 |
| HIERARCH ESO ISS PBLA14 START | 41.229 |
| HIERARCH ESO ISS PBLA14 END | 42.39 |
| HIERARCH ESO ISS PBL23 START | 45.676 |
| HIERARCH ESO ISS PBL23 END | 45.763 |
| HIERARCH ESO ISS PBLA23 START | 22.0 |
| HIERARCH ESO ISS PBLA23 END | 23.1 |
| HIERARCH ESO ISS PBL24 START | 79.901 |
| HIERARCH ESO ISS PBL24 END | 80.766 |
| HIERARCH ESO ISS PBLA24 START | 62.98 |
| HIERARCH ESO ISS PBLA24 END | 64.069 |
| HIERARCH ESO ISS PBL34 START | 54.392 |
| HIERARCH ESO ISS PBL34 END | 55.127 |
| HIERARCH ESO ISS PBLA34 START | 96.384 |
| HIERARCH ESO ISS PBLA34 END | 97.075 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008849 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007015 |
| HIERARCH ESO ISS AMBI TEMP | 15.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |