Exposure
- ID
- GRAVI.2024-04-24T05:45:16.809_2
- Header ID
- GRAVI.2024-04-24T05:45:16.809
- Date updated
- 2024-04-24 06:00:42 UTC+0000
- Release date
- 2025-04-24 06:00:42 UTC+0000
- UTC Start
- 2024-04-24 05:45:16.809
- UTC End
- 2024-04-24 05:50:36.809
- MJD Start
- 60424.23977788
- MJD End
- 60424.2434815837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0057345
- Ambient temperature (°C)
- 16.77
- Seeing (arcsec)
- 0.575
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 | 56.2860 | 56.3000 | 6.6000 | 7.4000 |
| U1-U3 | 101.1360 | 101.2100 | 11.9000 | 12.8000 |
| U1-U4 | 119.7200 | 120.3900 | 37.2860 | 38.3860 |
| U2-U3 | 45.3970 | 45.4720 | 18.5000 | 19.5000 |
| U2-U4 | 76.9040 | 77.7450 | 59.2360 | 60.2890 |
| U3-U4 | 51.7840 | 52.5260 | 94.1090 | 94.7350 |
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 | 60424.23977788 |
| 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 | 56.286 |
| HIERARCH ESO ISS PBL12 END | 56.3 |
| HIERARCH ESO ISS PBLA12 START | 6.6 |
| HIERARCH ESO ISS PBLA12 END | 7.4 |
| HIERARCH ESO ISS PBL13 START | 101.136 |
| HIERARCH ESO ISS PBL13 END | 101.21 |
| HIERARCH ESO ISS PBLA13 START | 11.9 |
| HIERARCH ESO ISS PBLA13 END | 12.8 |
| HIERARCH ESO ISS PBL14 START | 119.72 |
| HIERARCH ESO ISS PBL14 END | 120.39 |
| HIERARCH ESO ISS PBLA14 START | 37.286 |
| HIERARCH ESO ISS PBLA14 END | 38.386 |
| HIERARCH ESO ISS PBL23 START | 45.397 |
| HIERARCH ESO ISS PBL23 END | 45.472 |
| HIERARCH ESO ISS PBLA23 START | 18.5 |
| HIERARCH ESO ISS PBLA23 END | 19.5 |
| HIERARCH ESO ISS PBL24 START | 76.904 |
| HIERARCH ESO ISS PBL24 END | 77.745 |
| HIERARCH ESO ISS PBLA24 START | 59.236 |
| HIERARCH ESO ISS PBLA24 END | 60.289 |
| HIERARCH ESO ISS PBL34 START | 51.784 |
| HIERARCH ESO ISS PBL34 END | 52.526 |
| HIERARCH ESO ISS PBLA34 START | 94.109 |
| HIERARCH ESO ISS PBLA34 END | 94.735 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005159 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00631 |
| HIERARCH ESO ISS AMBI TEMP | 16.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |