Exposure
- ID
- GRAVI.2025-06-10T05:02:11.438_2
- Header ID
- GRAVI.2025-06-10T05:02:11.438
- Date updated
- 2025-06-10 05:21:03 UTC+0000
- Release date
- 2026-06-10 05:21:03 UTC+0000
- UTC Start
- 2025-06-10 05:02:11.438
- UTC End
- 2025-06-10 05:08:11.438
- MJD Start
- 60836.20985461
- MJD End
- 60836.21402127667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009053499999999999
- Ambient temperature (°C)
- 13.23
- Seeing (arcsec)
- 0.485
Observation
- ID
- 67873
- Category
- science
- 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 | 56.4890 | 56.4560 | 24.8000 | 25.6000 |
| U1-U3 | 102.3460 | 102.2820 | 31.2000 | 31.9000 |
| U1-U4 | 130.2100 | 130.1800 | 59.1250 | 59.9090 |
| U2-U3 | 46.6190 | 46.5910 | 38.9000 | 39.6000 |
| U2-U4 | 89.3840 | 89.4270 | 79.9750 | 80.7700 |
| U3-U4 | 62.3260 | 62.4080 | 109.4400 | 110.2040 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.20985461 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416558 |
| DEC | -29.00733 |
| 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 | 56.489 |
| HIERARCH ESO ISS PBL12 END | 56.456 |
| HIERARCH ESO ISS PBLA12 START | 24.8 |
| HIERARCH ESO ISS PBLA12 END | 25.6 |
| HIERARCH ESO ISS PBL13 START | 102.346 |
| HIERARCH ESO ISS PBL13 END | 102.282 |
| HIERARCH ESO ISS PBLA13 START | 31.2 |
| HIERARCH ESO ISS PBLA13 END | 31.9 |
| HIERARCH ESO ISS PBL14 START | 130.21 |
| HIERARCH ESO ISS PBL14 END | 130.18 |
| HIERARCH ESO ISS PBLA14 START | 59.125 |
| HIERARCH ESO ISS PBLA14 END | 59.909 |
| HIERARCH ESO ISS PBL23 START | 46.619 |
| HIERARCH ESO ISS PBL23 END | 46.591 |
| HIERARCH ESO ISS PBLA23 START | 38.9 |
| HIERARCH ESO ISS PBLA23 END | 39.6 |
| HIERARCH ESO ISS PBL24 START | 89.384 |
| HIERARCH ESO ISS PBL24 END | 89.427 |
| HIERARCH ESO ISS PBLA24 START | 79.975 |
| HIERARCH ESO ISS PBLA24 END | 80.77 |
| HIERARCH ESO ISS PBL34 START | 62.326 |
| HIERARCH ESO ISS PBL34 END | 62.408 |
| HIERARCH ESO ISS PBLA34 START | 109.44 |
| HIERARCH ESO ISS PBLA34 END | 110.204 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01028 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007827 |
| HIERARCH ESO ISS AMBI TEMP | 13.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |