Exposure
- ID
- GRAVI.2025-05-13T06:16:37.698_2
- Header ID
- GRAVI.2025-05-13T06:16:37.698
- Date updated
- 2025-05-13 07:01:14 UTC+0000
- Release date
- 2026-05-13 07:01:14 UTC+0000
- UTC Start
- 2025-05-13 06:16:37.698
- UTC End
- 2025-05-13 06:22:37.698
- MJD Start
- 60808.26154743
- MJD End
- 60808.26571409666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0122005
- Ambient temperature (°C)
- 16.48
- Seeing (arcsec)
- 0.31
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 | 56.5590 | 56.5590 | 20.7000 | 21.4000 |
| U1-U3 | 102.4030 | 102.4250 | 26.9000 | 27.7000 |
| U1-U4 | 129.3600 | 129.6350 | 54.5160 | 55.3870 |
| U2-U3 | 46.5810 | 46.6100 | 34.4000 | 35.3000 |
| U2-U4 | 88.2150 | 88.5420 | 75.4470 | 76.2860 |
| U3-U4 | 61.2450 | 61.5200 | 105.3920 | 106.1050 |
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 | 60808.26154743 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416187 |
| DEC | -29.00739 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.7 |
| HIERARCH ESO ISS PBLA12 END | 21.4 |
| HIERARCH ESO ISS PBL13 START | 102.403 |
| HIERARCH ESO ISS PBL13 END | 102.425 |
| HIERARCH ESO ISS PBLA13 START | 26.9 |
| HIERARCH ESO ISS PBLA13 END | 27.7 |
| HIERARCH ESO ISS PBL14 START | 129.36 |
| HIERARCH ESO ISS PBL14 END | 129.635 |
| HIERARCH ESO ISS PBLA14 START | 54.516 |
| HIERARCH ESO ISS PBLA14 END | 55.387 |
| HIERARCH ESO ISS PBL23 START | 46.581 |
| HIERARCH ESO ISS PBL23 END | 46.61 |
| HIERARCH ESO ISS PBLA23 START | 34.4 |
| HIERARCH ESO ISS PBLA23 END | 35.3 |
| HIERARCH ESO ISS PBL24 START | 88.215 |
| HIERARCH ESO ISS PBL24 END | 88.542 |
| HIERARCH ESO ISS PBLA24 START | 75.447 |
| HIERARCH ESO ISS PBLA24 END | 76.286 |
| HIERARCH ESO ISS PBL34 START | 61.245 |
| HIERARCH ESO ISS PBL34 END | 61.52 |
| HIERARCH ESO ISS PBLA34 START | 105.392 |
| HIERARCH ESO ISS PBLA34 END | 106.105 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012394 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012007 |
| HIERARCH ESO ISS AMBI TEMP | 16.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.32 |
| HIERARCH ESO ISS AMBI FWHM END | 0.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |