Exposure
- ID
- GRAVI.2024-06-23T05:16:39.521_2
- Header ID
- GRAVI.2024-06-23T05:16:39.521
- Date updated
- 2024-06-23 05:30:38 UTC+0000
- Release date
- 2025-06-23 05:30:38 UTC+0000
- UTC Start
- 2024-06-23 05:16:39.521
- UTC End
- 2024-06-23 05:22:39.521
- MJD Start
- 60484.21990186
- MJD End
- 60484.2240685267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.36
- Seeing (arcsec)
- 0.62
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 55.7370 | 55.6080 | 31.5000 | 32.1000 |
| U1-U3 | 100.6580 | 100.3570 | 37.9000 | 38.5000 |
| U1-U4 | 126.8790 | 126.1830 | 66.4920 | 67.1370 |
| U2-U3 | 45.6880 | 45.5140 | 45.7000 | 46.3000 |
| U2-U4 | 87.2430 | 86.7320 | 87.9570 | 88.7270 |
| U3-U4 | 61.6210 | 61.3840 | 117.8530 | 118.7520 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60484.21990186 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416842 |
| DEC | -29.00726 |
| 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 | 55.737 |
| HIERARCH ESO ISS PBL12 END | 55.608 |
| HIERARCH ESO ISS PBLA12 START | 31.5 |
| HIERARCH ESO ISS PBLA12 END | 32.1 |
| HIERARCH ESO ISS PBL13 START | 100.658 |
| HIERARCH ESO ISS PBL13 END | 100.357 |
| HIERARCH ESO ISS PBLA13 START | 37.9 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 126.879 |
| HIERARCH ESO ISS PBL14 END | 126.183 |
| HIERARCH ESO ISS PBLA14 START | 66.492 |
| HIERARCH ESO ISS PBLA14 END | 67.137 |
| HIERARCH ESO ISS PBL23 START | 45.688 |
| HIERARCH ESO ISS PBL23 END | 45.514 |
| HIERARCH ESO ISS PBLA23 START | 45.7 |
| HIERARCH ESO ISS PBLA23 END | 46.3 |
| HIERARCH ESO ISS PBL24 START | 87.243 |
| HIERARCH ESO ISS PBL24 END | 86.732 |
| HIERARCH ESO ISS PBLA24 START | 87.957 |
| HIERARCH ESO ISS PBLA24 END | 88.727 |
| HIERARCH ESO ISS PBL34 START | 61.621 |
| HIERARCH ESO ISS PBL34 END | 61.384 |
| HIERARCH ESO ISS PBLA34 START | 117.853 |
| HIERARCH ESO ISS PBLA34 END | 118.752 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| 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 |