Exposure
- ID
- GRAVI.2025-06-10T06:16:05.626_2
- Header ID
- GRAVI.2025-06-10T06:16:05.626
- Date updated
- 2025-06-10 06:30:47 UTC+0000
- Release date
- 2026-06-10 06:30:47 UTC+0000
- UTC Start
- 2025-06-10 06:16:05.626
- UTC End
- 2025-06-10 06:22:05.626
- MJD Start
- 60836.26117623
- MJD End
- 60836.265342896666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006533499999999999
- Ambient temperature (°C)
- 12.8
- Seeing (arcsec)
- 0.75
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 | 55.5890 | 55.4460 | 32.2000 | 32.7000 |
| U1-U3 | 100.3140 | 99.9800 | 38.6000 | 39.1000 |
| U1-U4 | 126.0850 | 125.3090 | 67.2270 | 67.8660 |
| U2-U3 | 45.4890 | 45.2970 | 46.4000 | 46.9000 |
| U2-U4 | 86.6600 | 86.0870 | 88.8340 | 89.6150 |
| U3-U4 | 61.3500 | 61.0820 | 118.8770 | 119.8040 |
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 | 60836.26117623 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416869 |
| DEC | -29.00742 |
| 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 | 55.589 |
| HIERARCH ESO ISS PBL12 END | 55.446 |
| HIERARCH ESO ISS PBLA12 START | 32.2 |
| HIERARCH ESO ISS PBLA12 END | 32.7 |
| HIERARCH ESO ISS PBL13 START | 100.314 |
| HIERARCH ESO ISS PBL13 END | 99.98 |
| HIERARCH ESO ISS PBLA13 START | 38.6 |
| HIERARCH ESO ISS PBLA13 END | 39.1 |
| HIERARCH ESO ISS PBL14 START | 126.085 |
| HIERARCH ESO ISS PBL14 END | 125.309 |
| HIERARCH ESO ISS PBLA14 START | 67.227 |
| HIERARCH ESO ISS PBLA14 END | 67.866 |
| HIERARCH ESO ISS PBL23 START | 45.489 |
| HIERARCH ESO ISS PBL23 END | 45.297 |
| HIERARCH ESO ISS PBLA23 START | 46.4 |
| HIERARCH ESO ISS PBLA23 END | 46.9 |
| HIERARCH ESO ISS PBL24 START | 86.66 |
| HIERARCH ESO ISS PBL24 END | 86.087 |
| HIERARCH ESO ISS PBLA24 START | 88.834 |
| HIERARCH ESO ISS PBLA24 END | 89.615 |
| HIERARCH ESO ISS PBL34 START | 61.35 |
| HIERARCH ESO ISS PBL34 END | 61.082 |
| HIERARCH ESO ISS PBLA34 START | 118.877 |
| HIERARCH ESO ISS PBLA34 END | 119.804 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006945 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006122 |
| HIERARCH ESO ISS AMBI TEMP | 12.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |