Exposure
- ID
- GRAVI.2025-06-10T07:14:23.775_2
- Header ID
- GRAVI.2025-06-10T07:14:23.775
- Date updated
- 2025-06-10 07:30:42 UTC+0000
- Release date
- 2026-06-10 07:30:42 UTC+0000
- UTC Start
- 2025-06-10 07:14:23.775
- UTC End
- 2025-06-10 07:20:23.775
- MJD Start
- 60836.30166406
- MJD End
- 60836.30583072667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00407
- Ambient temperature (°C)
- 13.57
- Seeing (arcsec)
- 0.705
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 | 53.8340 | 53.5710 | 36.6000 | 37.0000 |
| U1-U3 | 96.2400 | 95.6330 | 42.9000 | 43.3000 |
| U1-U4 | 116.5740 | 115.1700 | 72.7000 | 73.2740 |
| U2-U3 | 43.1380 | 42.7900 | 50.8000 | 51.2000 |
| U2-U4 | 79.6500 | 78.6280 | 96.1550 | 97.0270 |
| U3-U4 | 58.1120 | 57.6580 | 128.0390 | 129.1840 |
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 | 60836.30166406 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416864 |
| DEC | -29.00748 |
| 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 | 53.834 |
| HIERARCH ESO ISS PBL12 END | 53.571 |
| HIERARCH ESO ISS PBLA12 START | 36.6 |
| HIERARCH ESO ISS PBLA12 END | 37.0 |
| HIERARCH ESO ISS PBL13 START | 96.24 |
| HIERARCH ESO ISS PBL13 END | 95.633 |
| HIERARCH ESO ISS PBLA13 START | 42.9 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 116.574 |
| HIERARCH ESO ISS PBL14 END | 115.17 |
| HIERARCH ESO ISS PBLA14 START | 72.7 |
| HIERARCH ESO ISS PBLA14 END | 73.274 |
| HIERARCH ESO ISS PBL23 START | 43.138 |
| HIERARCH ESO ISS PBL23 END | 42.79 |
| HIERARCH ESO ISS PBLA23 START | 50.8 |
| HIERARCH ESO ISS PBLA23 END | 51.2 |
| HIERARCH ESO ISS PBL24 START | 79.65 |
| HIERARCH ESO ISS PBL24 END | 78.628 |
| HIERARCH ESO ISS PBLA24 START | 96.155 |
| HIERARCH ESO ISS PBLA24 END | 97.027 |
| HIERARCH ESO ISS PBL34 START | 58.112 |
| HIERARCH ESO ISS PBL34 END | 57.658 |
| HIERARCH ESO ISS PBLA34 START | 128.039 |
| HIERARCH ESO ISS PBLA34 END | 129.184 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003383 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004757 |
| HIERARCH ESO ISS AMBI TEMP | 13.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |