Exposure
- ID
- GRAVI.2025-06-15T01:38:41.685_2
- Header ID
- GRAVI.2025-06-15T01:38:41.685
- Date updated
- 2025-06-15 01:55:35 UTC+0000
- Release date
- 2025-06-15 01:38:41 UTC+0000
- UTC Start
- 2025-06-15 01:38:41.685
- UTC End
- 2025-06-15 01:44:41.685
- MJD Start
- 60841.06853802
- MJD End
- 60841.07270468667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002091
- Ambient temperature (°C)
- 8.29
- Seeing (arcsec)
- 1.56
Observation
- ID
- 67871
- Category
- calibrator
- Program ID
- 115.27WT.002
- 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
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
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 | 56.2280 | 56.2300 | 0.3000 | 1.3000 |
| U1-U3 | 100.7110 | 100.7550 | 5.0000 | 6.1000 |
| U1-U4 | 114.6740 | 115.4000 | 28.1880 | 29.6260 |
| U2-U3 | 44.9080 | 44.9700 | 10.9000 | 12.1000 |
| U2-U4 | 70.0720 | 71.1220 | 50.2070 | 51.6820 |
| U3-U4 | 45.3450 | 46.3900 | 89.0580 | 89.8540 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60841.06853802 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417323 |
| DEC | -29.0078 |
| 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 | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.23 |
| HIERARCH ESO ISS PBLA12 START | 0.3 |
| HIERARCH ESO ISS PBLA12 END | 1.3 |
| HIERARCH ESO ISS PBL13 START | 100.711 |
| HIERARCH ESO ISS PBL13 END | 100.755 |
| HIERARCH ESO ISS PBLA13 START | 5.0 |
| HIERARCH ESO ISS PBLA13 END | 6.1 |
| HIERARCH ESO ISS PBL14 START | 114.674 |
| HIERARCH ESO ISS PBL14 END | 115.4 |
| HIERARCH ESO ISS PBLA14 START | 28.188 |
| HIERARCH ESO ISS PBLA14 END | 29.626 |
| HIERARCH ESO ISS PBL23 START | 44.908 |
| HIERARCH ESO ISS PBL23 END | 44.97 |
| HIERARCH ESO ISS PBLA23 START | 10.9 |
| HIERARCH ESO ISS PBLA23 END | 12.1 |
| HIERARCH ESO ISS PBL24 START | 70.072 |
| HIERARCH ESO ISS PBL24 END | 71.122 |
| HIERARCH ESO ISS PBLA24 START | 50.207 |
| HIERARCH ESO ISS PBLA24 END | 51.682 |
| HIERARCH ESO ISS PBL34 START | 45.345 |
| HIERARCH ESO ISS PBL34 END | 46.39 |
| HIERARCH ESO ISS PBLA34 START | 89.058 |
| HIERARCH ESO ISS PBLA34 END | 89.854 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002091 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002091 |
| HIERARCH ESO ISS AMBI TEMP | 8.29 |
| HIERARCH ESO ISS AMBI FWHM START | 1.56 |
| HIERARCH ESO ISS AMBI FWHM END | 1.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |