Exposure
- ID
- GRAVI.2024-04-24T06:05:19.860_2
- Header ID
- GRAVI.2024-04-24T06:05:19.860
- Date updated
- 2024-04-24 06:20:39 UTC+0000
- Release date
- 2025-04-24 06:20:39 UTC+0000
- UTC Start
- 2024-04-24 06:05:19.860
- UTC End
- 2024-04-24 06:10:39.860
- MJD Start
- 60424.25370208
- MJD End
- 60424.2574057837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050905
- Ambient temperature (°C)
- 16.67
- Seeing (arcsec)
- 0.595
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 | 56.3420 | 56.3600 | 9.4000 | 10.2000 |
| U1-U3 | 101.4100 | 101.4910 | 15.0000 | 15.9000 |
| U1-U4 | 122.0580 | 122.6980 | 41.0820 | 42.1090 |
| U2-U3 | 45.6650 | 45.7410 | 21.9000 | 22.8000 |
| U2-U4 | 79.7890 | 80.5560 | 62.8410 | 63.8060 |
| U3-U4 | 54.2970 | 54.9490 | 96.2980 | 96.9080 |
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 | 60424.25370208 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416804 |
| DEC | -29.00734 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.342 |
| HIERARCH ESO ISS PBL12 END | 56.36 |
| HIERARCH ESO ISS PBLA12 START | 9.4 |
| HIERARCH ESO ISS PBLA12 END | 10.2 |
| HIERARCH ESO ISS PBL13 START | 101.41 |
| HIERARCH ESO ISS PBL13 END | 101.491 |
| HIERARCH ESO ISS PBLA13 START | 15.0 |
| HIERARCH ESO ISS PBLA13 END | 15.9 |
| HIERARCH ESO ISS PBL14 START | 122.058 |
| HIERARCH ESO ISS PBL14 END | 122.698 |
| HIERARCH ESO ISS PBLA14 START | 41.082 |
| HIERARCH ESO ISS PBLA14 END | 42.109 |
| HIERARCH ESO ISS PBL23 START | 45.665 |
| HIERARCH ESO ISS PBL23 END | 45.741 |
| HIERARCH ESO ISS PBLA23 START | 21.9 |
| HIERARCH ESO ISS PBLA23 END | 22.8 |
| HIERARCH ESO ISS PBL24 START | 79.789 |
| HIERARCH ESO ISS PBL24 END | 80.556 |
| HIERARCH ESO ISS PBLA24 START | 62.841 |
| HIERARCH ESO ISS PBLA24 END | 63.806 |
| HIERARCH ESO ISS PBL34 START | 54.297 |
| HIERARCH ESO ISS PBL34 END | 54.949 |
| HIERARCH ESO ISS PBLA34 START | 96.298 |
| HIERARCH ESO ISS PBLA34 END | 96.908 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005041 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00514 |
| HIERARCH ESO ISS AMBI TEMP | 16.67 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |