Exposure
- ID
- GRAVI.2025-05-14T04:33:35.787_2
- Header ID
- GRAVI.2025-05-14T04:33:35.787
- Date updated
- 2025-05-14 06:29:38 UTC+0000
- Release date
- 2026-05-14 04:50:49 UTC+0000
- UTC Start
- 2025-05-14 04:33:35.787
- UTC End
- 2025-05-14 04:39:35.787
- MJD Start
- 60809.18999753
- MJD End
- 60809.19416419666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002614
- Ambient temperature (°C)
- 15.76
- Seeing (arcsec)
- 1.37
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.001
- 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 | 56.3010 | 56.3190 | 7.4000 | 8.3000 |
| U1-U3 | 101.2140 | 101.3010 | 12.8000 | 13.8000 |
| U1-U4 | 120.4200 | 121.1730 | 38.4330 | 39.6550 |
| U2-U3 | 45.4750 | 45.5610 | 19.5000 | 20.6000 |
| U2-U4 | 77.7810 | 78.7120 | 60.3320 | 61.4940 |
| U3-U4 | 52.5580 | 53.3700 | 94.7600 | 95.4640 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60809.18999753 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41693 |
| DEC | -29.00638 |
| 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 | 56.301 |
| HIERARCH ESO ISS PBL12 END | 56.319 |
| HIERARCH ESO ISS PBLA12 START | 7.4 |
| HIERARCH ESO ISS PBLA12 END | 8.3 |
| HIERARCH ESO ISS PBL13 START | 101.214 |
| HIERARCH ESO ISS PBL13 END | 101.301 |
| HIERARCH ESO ISS PBLA13 START | 12.8 |
| HIERARCH ESO ISS PBLA13 END | 13.8 |
| HIERARCH ESO ISS PBL14 START | 120.42 |
| HIERARCH ESO ISS PBL14 END | 121.173 |
| HIERARCH ESO ISS PBLA14 START | 38.433 |
| HIERARCH ESO ISS PBLA14 END | 39.655 |
| HIERARCH ESO ISS PBL23 START | 45.475 |
| HIERARCH ESO ISS PBL23 END | 45.561 |
| HIERARCH ESO ISS PBLA23 START | 19.5 |
| HIERARCH ESO ISS PBLA23 END | 20.6 |
| HIERARCH ESO ISS PBL24 START | 77.781 |
| HIERARCH ESO ISS PBL24 END | 78.712 |
| HIERARCH ESO ISS PBLA24 START | 60.332 |
| HIERARCH ESO ISS PBLA24 END | 61.494 |
| HIERARCH ESO ISS PBL34 START | 52.558 |
| HIERARCH ESO ISS PBL34 END | 53.37 |
| HIERARCH ESO ISS PBLA34 START | 94.76 |
| HIERARCH ESO ISS PBLA34 END | 95.464 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002612 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002616 |
| HIERARCH ESO ISS AMBI TEMP | 15.76 |
| HIERARCH ESO ISS AMBI FWHM START | 1.32 |
| HIERARCH ESO ISS AMBI FWHM END | 1.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |