Exposure
- ID
- GRAVI.2025-05-13T08:23:11.020_2
- Header ID
- GRAVI.2025-05-13T08:23:11.020
- Date updated
- 2025-05-13 08:40:51 UTC+0000
- Release date
- 2026-05-13 08:40:51 UTC+0000
- UTC Start
- 2025-05-13 08:23:11.020
- UTC End
- 2025-05-13 08:29:11.020
- MJD Start
- 60808.3494331
- MJD End
- 60808.35359976666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0156595
- Ambient temperature (°C)
- 15.98
- Seeing (arcsec)
- 0.275
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 | 55.1860 | 55.0100 | 33.6000 | 34.1000 |
| U1-U3 | 99.3760 | 98.9670 | 40.0000 | 40.5000 |
| U1-U4 | 123.8970 | 122.9370 | 68.8860 | 69.5030 |
| U2-U3 | 44.9480 | 44.7110 | 47.8000 | 48.3000 |
| U2-U4 | 85.0430 | 84.3330 | 90.8950 | 91.6920 |
| U3-U4 | 60.5910 | 60.2580 | 121.3540 | 122.3360 |
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 | 60808.3494331 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416523 |
| DEC | -29.00751 |
| 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 | 55.186 |
| HIERARCH ESO ISS PBL12 END | 55.01 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 34.1 |
| HIERARCH ESO ISS PBL13 START | 99.376 |
| HIERARCH ESO ISS PBL13 END | 98.967 |
| HIERARCH ESO ISS PBLA13 START | 40.0 |
| HIERARCH ESO ISS PBLA13 END | 40.5 |
| HIERARCH ESO ISS PBL14 START | 123.897 |
| HIERARCH ESO ISS PBL14 END | 122.937 |
| HIERARCH ESO ISS PBLA14 START | 68.886 |
| HIERARCH ESO ISS PBLA14 END | 69.503 |
| HIERARCH ESO ISS PBL23 START | 44.948 |
| HIERARCH ESO ISS PBL23 END | 44.711 |
| HIERARCH ESO ISS PBLA23 START | 47.8 |
| HIERARCH ESO ISS PBLA23 END | 48.3 |
| HIERARCH ESO ISS PBL24 START | 85.043 |
| HIERARCH ESO ISS PBL24 END | 84.333 |
| HIERARCH ESO ISS PBLA24 START | 90.895 |
| HIERARCH ESO ISS PBLA24 END | 91.692 |
| HIERARCH ESO ISS PBL34 START | 60.591 |
| HIERARCH ESO ISS PBL34 END | 60.258 |
| HIERARCH ESO ISS PBLA34 START | 121.354 |
| HIERARCH ESO ISS PBLA34 END | 122.336 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.016076 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.015243 |
| HIERARCH ESO ISS AMBI TEMP | 15.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.26 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |