Exposure
- ID
- GRAVI.2024-05-29T07:58:13.755_2
- Header ID
- GRAVI.2024-05-29T07:58:13.755
- Date updated
- 2024-05-29 08:15:35 UTC+0000
- Release date
- 2025-05-29 08:15:35 UTC+0000
- UTC Start
- 2024-05-29 07:58:13.755
- UTC End
- 2024-05-29 08:04:13.755
- MJD Start
- 60459.33210365
- MJD End
- 60459.3362703167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041855
- Ambient temperature (°C)
- 14.66
- Seeing (arcsec)
- 0.395
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- 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 | 53.9240 | 53.6680 | 36.5000 | 36.9000 |
| U1-U3 | 96.4490 | 95.8570 | 42.8000 | 43.2000 |
| U1-U4 | 117.0590 | 115.6870 | 72.4920 | 73.0650 |
| U2-U3 | 43.2590 | 42.9180 | 50.6000 | 51.1000 |
| U2-U4 | 80.0040 | 79.0030 | 95.8460 | 96.7080 |
| U3-U4 | 58.2700 | 57.8240 | 127.6360 | 128.7650 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60459.33210365 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416665 |
| DEC | -29.00728 |
| 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 | 53.924 |
| HIERARCH ESO ISS PBL12 END | 53.668 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 96.449 |
| HIERARCH ESO ISS PBL13 END | 95.857 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 117.059 |
| HIERARCH ESO ISS PBL14 END | 115.687 |
| HIERARCH ESO ISS PBLA14 START | 72.492 |
| HIERARCH ESO ISS PBLA14 END | 73.065 |
| HIERARCH ESO ISS PBL23 START | 43.259 |
| HIERARCH ESO ISS PBL23 END | 42.918 |
| HIERARCH ESO ISS PBLA23 START | 50.6 |
| HIERARCH ESO ISS PBLA23 END | 51.1 |
| HIERARCH ESO ISS PBL24 START | 80.004 |
| HIERARCH ESO ISS PBL24 END | 79.003 |
| HIERARCH ESO ISS PBLA24 START | 95.846 |
| HIERARCH ESO ISS PBLA24 END | 96.708 |
| HIERARCH ESO ISS PBL34 START | 58.27 |
| HIERARCH ESO ISS PBL34 END | 57.824 |
| HIERARCH ESO ISS PBLA34 START | 127.636 |
| HIERARCH ESO ISS PBLA34 END | 128.765 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00408 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004291 |
| HIERARCH ESO ISS AMBI TEMP | 14.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |