Exposure
- ID
- GRAVI.2024-04-30T08:34:20.146_2
- Header ID
- GRAVI.2024-04-30T08:34:20.146
- Date updated
- 2024-04-30 08:50:42 UTC+0000
- Release date
- 2025-04-30 08:50:42 UTC+0000
- UTC Start
- 2024-04-30 08:34:20.146
- UTC End
- 2024-04-30 08:40:20.146
- MJD Start
- 60430.35717762
- MJD End
- 60430.3613442867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0044765
- Ambient temperature (°C)
- 15.14
- Seeing (arcsec)
- 0.47
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 | 55.9900 | 55.8850 | 30.2000 | 30.8000 |
| U1-U3 | 101.2440 | 101.0020 | 36.6000 | 37.2000 |
| U1-U4 | 128.2060 | 127.6620 | 64.9800 | 65.6540 |
| U2-U3 | 46.0230 | 45.8850 | 44.4000 | 45.0000 |
| U2-U4 | 88.2040 | 87.8130 | 86.2080 | 86.9790 |
| U3-U4 | 62.0570 | 61.8830 | 115.8690 | 116.7340 |
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 | 60430.35717762 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41685 |
| DEC | -29.00736 |
| 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 | 55.99 |
| HIERARCH ESO ISS PBL12 END | 55.885 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.8 |
| HIERARCH ESO ISS PBL13 START | 101.244 |
| HIERARCH ESO ISS PBL13 END | 101.002 |
| HIERARCH ESO ISS PBLA13 START | 36.6 |
| HIERARCH ESO ISS PBLA13 END | 37.2 |
| HIERARCH ESO ISS PBL14 START | 128.206 |
| HIERARCH ESO ISS PBL14 END | 127.662 |
| HIERARCH ESO ISS PBLA14 START | 64.98 |
| HIERARCH ESO ISS PBLA14 END | 65.654 |
| HIERARCH ESO ISS PBL23 START | 46.023 |
| HIERARCH ESO ISS PBL23 END | 45.885 |
| HIERARCH ESO ISS PBLA23 START | 44.4 |
| HIERARCH ESO ISS PBLA23 END | 45.0 |
| HIERARCH ESO ISS PBL24 START | 88.204 |
| HIERARCH ESO ISS PBL24 END | 87.813 |
| HIERARCH ESO ISS PBLA24 START | 86.208 |
| HIERARCH ESO ISS PBLA24 END | 86.979 |
| HIERARCH ESO ISS PBL34 START | 62.057 |
| HIERARCH ESO ISS PBL34 END | 61.883 |
| HIERARCH ESO ISS PBLA34 START | 115.869 |
| HIERARCH ESO ISS PBLA34 END | 116.734 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004024 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004929 |
| HIERARCH ESO ISS AMBI TEMP | 15.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |