Exposure
- ID
- GRAVI.2024-04-29T08:17:23.787_2
- Header ID
- GRAVI.2024-04-29T08:17:23.787
- Date updated
- 2024-04-29 08:35:28 UTC+0000
- Release date
- 2025-04-29 08:35:28 UTC+0000
- UTC Start
- 2024-04-29 08:17:23.787
- UTC End
- 2024-04-29 08:23:23.787
- MJD Start
- 60429.3454142
- MJD End
- 60429.3495808667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005572
- Ambient temperature (°C)
- 15.62
- Seeing (arcsec)
- 0.61
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.2590 | 56.1870 | 28.2000 | 28.8000 |
| U1-U3 | 101.8570 | 101.6950 | 34.5000 | 35.2000 |
| U1-U4 | 129.5060 | 129.1790 | 62.7400 | 63.4440 |
| U2-U3 | 46.3680 | 46.2780 | 42.3000 | 42.9000 |
| U2-U4 | 89.0970 | 88.8820 | 83.7350 | 84.4990 |
| U3-U4 | 62.4150 | 62.3390 | 113.1950 | 114.0030 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60429.3454142 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416867 |
| DEC | -29.00737 |
| 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 | 56.259 |
| HIERARCH ESO ISS PBL12 END | 56.187 |
| HIERARCH ESO ISS PBLA12 START | 28.2 |
| HIERARCH ESO ISS PBLA12 END | 28.8 |
| HIERARCH ESO ISS PBL13 START | 101.857 |
| HIERARCH ESO ISS PBL13 END | 101.695 |
| HIERARCH ESO ISS PBLA13 START | 34.5 |
| HIERARCH ESO ISS PBLA13 END | 35.2 |
| HIERARCH ESO ISS PBL14 START | 129.506 |
| HIERARCH ESO ISS PBL14 END | 129.179 |
| HIERARCH ESO ISS PBLA14 START | 62.74 |
| HIERARCH ESO ISS PBLA14 END | 63.444 |
| HIERARCH ESO ISS PBL23 START | 46.368 |
| HIERARCH ESO ISS PBL23 END | 46.278 |
| HIERARCH ESO ISS PBLA23 START | 42.3 |
| HIERARCH ESO ISS PBLA23 END | 42.9 |
| HIERARCH ESO ISS PBL24 START | 89.097 |
| HIERARCH ESO ISS PBL24 END | 88.882 |
| HIERARCH ESO ISS PBLA24 START | 83.735 |
| HIERARCH ESO ISS PBLA24 END | 84.499 |
| HIERARCH ESO ISS PBL34 START | 62.415 |
| HIERARCH ESO ISS PBL34 END | 62.339 |
| HIERARCH ESO ISS PBLA34 START | 113.195 |
| HIERARCH ESO ISS PBLA34 END | 114.003 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005572 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005572 |
| HIERARCH ESO ISS AMBI TEMP | 15.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |